Home / 10,377,368.40-15,524,062.20-9,117,656.40

Finding the Fourth Proportional to 10,377,368.40, 15,524,062.20 and 9,117,656.40

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Solution

The fourth proportional to 10,377,368.40, 15,524,062.20 and 9,117,656.40 is: 13,639,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377,368.40 : 15,524,062.20 = 9,117,656.40 : x
  2. Step 2: Convert to fraction form
    10,377,368.40/15,524,062.20 = 9,117,656.40/x
  3. Step 3: Cross multiply
    10,377,368.40x = 15,524,062.20 × 9,117,656.40
  4. Step 4: Simplify right side
    10,377,368.40x = 141,543,065,071,828.09
  5. Step 5: Solve for x
    x = 141,543,065,071,828.09/10,377,368.40
  6. Step 6: Final answer
    x = 13,639,591.43

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