Home / 12,544,047.60-18,816,071.40-9,712,892.40

Finding the Fourth Proportional to 12,544,047.60, 18,816,071.40 and 9,712,892.40

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Solution

The fourth proportional to 12,544,047.60, 18,816,071.40 and 9,712,892.40 is: 14,569,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544,047.60 : 18,816,071.40 = 9,712,892.40 : x
  2. Step 2: Convert to fraction form
    12,544,047.60/18,816,071.40 = 9,712,892.40/x
  3. Step 3: Cross multiply
    12,544,047.60x = 18,816,071.40 × 9,712,892.40
  4. Step 4: Simplify right side
    12,544,047.60x = 182,758,476,898,917.34
  5. Step 5: Solve for x
    x = 182,758,476,898,917.34/12,544,047.60
  6. Step 6: Final answer
    x = 14,569,338.60

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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.