Home / 9,141,515.78-12,615,211.31-5,011,471.87

Finding the Fourth Proportional to 9,141,515.78, 12,615,211.31 and 5,011,471.87

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Solution

The fourth proportional to 9,141,515.78, 12,615,211.31 and 5,011,471.87 is: 6,915,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141,515.78 : 12,615,211.31 = 5,011,471.87 : x
  2. Step 2: Convert to fraction form
    9,141,515.78/12,615,211.31 = 5,011,471.87/x
  3. Step 3: Cross multiply
    9,141,515.78x = 12,615,211.31 × 5,011,471.87
  4. Step 4: Simplify right side
    9,141,515.78x = 63,220,776,557,575.45
  5. Step 5: Solve for x
    x = 63,220,776,557,575.45/9,141,515.78
  6. Step 6: Final answer
    x = 6,915,787.07

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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.