Home / 9,180,225.28-12,667,929.96-5,312,986.12

Finding the Fourth Proportional to 9,180,225.28, 12,667,929.96 and 5,312,986.12

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Solution

The fourth proportional to 9,180,225.28, 12,667,929.96 and 5,312,986.12 is: 7,331,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180,225.28 : 12,667,929.96 = 5,312,986.12 : x
  2. Step 2: Convert to fraction form
    9,180,225.28/12,667,929.96 = 5,312,986.12/x
  3. Step 3: Cross multiply
    9,180,225.28x = 12,667,929.96 × 5,312,986.12
  4. Step 4: Simplify right side
    9,180,225.28x = 67,304,536,046,612.16
  5. Step 5: Solve for x
    x = 67,304,536,046,612.16/9,180,225.28
  6. Step 6: Final answer
    x = 7,331,468.89

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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.