Home / 12,787,673.60-19,181,510.40-9,218,489.60

Finding the Fourth Proportional to 12,787,673.60, 19,181,510.40 and 9,218,489.60

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Solution

The fourth proportional to 12,787,673.60, 19,181,510.40 and 9,218,489.60 is: 13,827,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,673.60 : 19,181,510.40 = 9,218,489.60 : x
  2. Step 2: Convert to fraction form
    12,787,673.60/19,181,510.40 = 9,218,489.60/x
  3. Step 3: Cross multiply
    12,787,673.60x = 19,181,510.40 × 9,218,489.60
  4. Step 4: Simplify right side
    12,787,673.60x = 176,824,554,134,691.81
  5. Step 5: Solve for x
    x = 176,824,554,134,691.81/12,787,673.60
  6. Step 6: Final answer
    x = 13,827,734.40

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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.