Home / 7,737,774.91-10,666,875.31-5,407,432.38

Finding the Fourth Proportional to 7,737,774.91, 10,666,875.31 and 5,407,432.38

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Solution

The fourth proportional to 7,737,774.91, 10,666,875.31 and 5,407,432.38 is: 7,454,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737,774.91 : 10,666,875.31 = 5,407,432.38 : x
  2. Step 2: Convert to fraction form
    7,737,774.91/10,666,875.31 = 5,407,432.38/x
  3. Step 3: Cross multiply
    7,737,774.91x = 10,666,875.31 × 5,407,432.38
  4. Step 4: Simplify right side
    7,737,774.91x = 57,680,406,931,197.95
  5. Step 5: Solve for x
    x = 57,680,406,931,197.95/7,737,774.91
  6. Step 6: Final answer
    x = 7,454,391.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.