Home / 39,350,579.60-59,025,869.40-20,218,703.60

Finding the Fourth Proportional to 39,350,579.60, 59,025,869.40 and 20,218,703.60

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Solution

The fourth proportional to 39,350,579.60, 59,025,869.40 and 20,218,703.60 is: 30,328,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,350,579.60 : 59,025,869.40 = 20,218,703.60 : x
  2. Step 2: Convert to fraction form
    39,350,579.60/59,025,869.40 = 20,218,703.60/x
  3. Step 3: Cross multiply
    39,350,579.60x = 59,025,869.40 × 20,218,703.60
  4. Step 4: Simplify right side
    39,350,579.60x = 1,193,426,558,130,910
  5. Step 5: Solve for x
    x = 1,193,426,558,130,910/39,350,579.60
  6. Step 6: Final answer
    x = 30,328,055.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.