Home / 10,368,511.70-15,552,767.55-9,920,614.10

Finding the Fourth Proportional to 10,368,511.70, 15,552,767.55 and 9,920,614.10

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Solution

The fourth proportional to 10,368,511.70, 15,552,767.55 and 9,920,614.10 is: 14,880,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,511.70 : 15,552,767.55 = 9,920,614.10 : x
  2. Step 2: Convert to fraction form
    10,368,511.70/15,552,767.55 = 9,920,614.10/x
  3. Step 3: Cross multiply
    10,368,511.70x = 15,552,767.55 × 9,920,614.10
  4. Step 4: Simplify right side
    10,368,511.70x = 154,293,005,050,552.47
  5. Step 5: Solve for x
    x = 154,293,005,050,552.47/10,368,511.70
  6. Step 6: Final answer
    x = 14,880,921.15

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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.