Home / 9,120,184.40-12,584,748.12-5,253,957.20

Finding the Fourth Proportional to 9,120,184.40, 12,584,748.12 and 5,253,957.20

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Solution

The fourth proportional to 9,120,184.40, 12,584,748.12 and 5,253,957.20 is: 7,249,823.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120,184.40 : 12,584,748.12 = 5,253,957.20 : x
  2. Step 2: Convert to fraction form
    9,120,184.40/12,584,748.12 = 5,253,957.20/x
  3. Step 3: Cross multiply
    9,120,184.40x = 12,584,748.12 × 5,253,957.20
  4. Step 4: Simplify right side
    9,120,184.40x = 66,119,727,995,260.46
  5. Step 5: Solve for x
    x = 66,119,727,995,260.46/9,120,184.40
  6. Step 6: Final answer
    x = 7,249,823.59

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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.