Home / 38,882,865.60-53,658,804.80-21,478,850.24

Finding the Fourth Proportional to 38,882,865.60, 53,658,804.80 and 21,478,850.24

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Solution

The fourth proportional to 38,882,865.60, 53,658,804.80 and 21,478,850.24 is: 29,641,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,882,865.60 : 53,658,804.80 = 21,478,850.24 : x
  2. Step 2: Convert to fraction form
    38,882,865.60/53,658,804.80 = 21,478,850.24/x
  3. Step 3: Cross multiply
    38,882,865.60x = 53,658,804.80 × 21,478,850.24
  4. Step 4: Simplify right side
    38,882,865.60x = 1,152,529,432,356,593
  5. Step 5: Solve for x
    x = 1,152,529,432,356,593/38,882,865.60
  6. Step 6: Final answer
    x = 29,641,062.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.