Home / 9,141,616.80-12,615,157.76-5,011,506.78

Finding the Fourth Proportional to 9,141,616.80, 12,615,157.76 and 5,011,506.78

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Solution

The fourth proportional to 9,141,616.80, 12,615,157.76 and 5,011,506.78 is: 6,915,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141,616.80 : 12,615,157.76 = 5,011,506.78 : x
  2. Step 2: Convert to fraction form
    9,141,616.80/12,615,157.76 = 5,011,506.78/x
  3. Step 3: Cross multiply
    9,141,616.80x = 12,615,157.76 × 5,011,506.78
  4. Step 4: Simplify right side
    9,141,616.80x = 63,220,948,645,009.62
  5. Step 5: Solve for x
    x = 63,220,948,645,009.62/9,141,616.80
  6. Step 6: Final answer
    x = 6,915,729.46

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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.