Home / 30,386,197.57-45,586,547.25-9,915,955.12

Finding the Fourth Proportional to 30,386,197.57, 45,586,547.25 and 9,915,955.12

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Solution

The fourth proportional to 30,386,197.57, 45,586,547.25 and 9,915,955.12 is: 14,876,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386,197.57 : 45,586,547.25 = 9,915,955.12 : x
  2. Step 2: Convert to fraction form
    30,386,197.57/45,586,547.25 = 9,915,955.12/x
  3. Step 3: Cross multiply
    30,386,197.57x = 45,586,547.25 × 9,915,955.12
  4. Step 4: Simplify right side
    30,386,197.57x = 452,034,156,606,759.38
  5. Step 5: Solve for x
    x = 452,034,156,606,759.38/30,386,197.57
  6. Step 6: Final answer
    x = 14,876,298.87

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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.