Home / 10,779,712.60-16,169,568.90-9,787,689.40

Finding the Fourth Proportional to 10,779,712.60, 16,169,568.90 and 9,787,689.40

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Solution

The fourth proportional to 10,779,712.60, 16,169,568.90 and 9,787,689.40 is: 14,681,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,712.60 : 16,169,568.90 = 9,787,689.40 : x
  2. Step 2: Convert to fraction form
    10,779,712.60/16,169,568.90 = 9,787,689.40/x
  3. Step 3: Cross multiply
    10,779,712.60x = 16,169,568.90 × 9,787,689.40
  4. Step 4: Simplify right side
    10,779,712.60x = 158,262,718,125,099.66
  5. Step 5: Solve for x
    x = 158,262,718,125,099.66/10,779,712.60
  6. Step 6: Final answer
    x = 14,681,534.10

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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.