Home / 12,217,565.28-18,328,705.02-4,643,938.92

Finding the Fourth Proportional to 12,217,565.28, 18,328,705.02 and 4,643,938.92

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Solution

The fourth proportional to 12,217,565.28, 18,328,705.02 and 4,643,938.92 is: 6,966,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,565.28 : 18,328,705.02 = 4,643,938.92 : x
  2. Step 2: Convert to fraction form
    12,217,565.28/18,328,705.02 = 4,643,938.92/x
  3. Step 3: Cross multiply
    12,217,565.28x = 18,328,705.02 × 4,643,938.92
  4. Step 4: Simplify right side
    12,217,565.28x = 85,117,386,595,577.38
  5. Step 5: Solve for x
    x = 85,117,386,595,577.38/12,217,565.28
  6. Step 6: Final answer
    x = 6,966,804.32

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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.