Home / 12,212,148.90-18,406,002.45-10,526,635.38

Finding the Fourth Proportional to 12,212,148.90, 18,406,002.45 and 10,526,635.38

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Solution

The fourth proportional to 12,212,148.90, 18,406,002.45 and 10,526,635.38 is: 15,865,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212,148.90 : 18,406,002.45 = 10,526,635.38 : x
  2. Step 2: Convert to fraction form
    12,212,148.90/18,406,002.45 = 10,526,635.38/x
  3. Step 3: Cross multiply
    12,212,148.90x = 18,406,002.45 × 10,526,635.38
  4. Step 4: Simplify right side
    12,212,148.90x = 193,753,276,594,536.69
  5. Step 5: Solve for x
    x = 193,753,276,594,536.69/12,212,148.90
  6. Step 6: Final answer
    x = 15,865,616.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.