Home / 7,737,775.91-10,666,876.69-5,407,433.38

Finding the Fourth Proportional to 7,737,775.91, 10,666,876.69 and 5,407,433.38

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Solution

The fourth proportional to 7,737,775.91, 10,666,876.69 and 5,407,433.38 is: 7,454,393.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737,775.91 : 10,666,876.69 = 5,407,433.38 : x
  2. Step 2: Convert to fraction form
    7,737,775.91/10,666,876.69 = 5,407,433.38/x
  3. Step 3: Cross multiply
    7,737,775.91x = 10,666,876.69 × 5,407,433.38
  4. Step 4: Simplify right side
    7,737,775.91x = 57,680,425,073,849.91
  5. Step 5: Solve for x
    x = 57,680,425,073,849.91/7,737,775.91
  6. Step 6: Final answer
    x = 7,454,393.32

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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.