Home / 9,141,617.80-12,615,159.14-5,011,507.78

Finding the Fourth Proportional to 9,141,617.80, 12,615,159.14 and 5,011,507.78

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Solution

The fourth proportional to 9,141,617.80, 12,615,159.14 and 5,011,507.78 is: 6,915,730.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141,617.80 : 12,615,159.14 = 5,011,507.78 : x
  2. Step 2: Convert to fraction form
    9,141,617.80/12,615,159.14 = 5,011,507.78/x
  3. Step 3: Cross multiply
    9,141,617.80x = 12,615,159.14 × 5,011,507.78
  4. Step 4: Simplify right side
    9,141,617.80x = 63,220,968,176,048.12
  5. Step 5: Solve for x
    x = 63,220,968,176,048.12/9,141,617.80
  6. Step 6: Final answer
    x = 6,915,730.84

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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.