Home / 16,120,402.30-22,246,156.75-8,778,233.36

Finding the Fourth Proportional to 16,120,402.30, 22,246,156.75 and 8,778,233.36

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Solution

The fourth proportional to 16,120,402.30, 22,246,156.75 and 8,778,233.36 is: 12,113,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120,402.30 : 22,246,156.75 = 8,778,233.36 : x
  2. Step 2: Convert to fraction form
    16,120,402.30/22,246,156.75 = 8,778,233.36/x
  3. Step 3: Cross multiply
    16,120,402.30x = 22,246,156.75 × 8,778,233.36
  4. Step 4: Simplify right side
    16,120,402.30x = 195,281,955,314,639.16
  5. Step 5: Solve for x
    x = 195,281,955,314,639.16/16,120,402.30
  6. Step 6: Final answer
    x = 12,113,962.89

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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.