Home / 10,288,157.22-15,429,084.12-7,113,682.98

Finding the Fourth Proportional to 10,288,157.22, 15,429,084.12 and 7,113,682.98

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Solution

The fourth proportional to 10,288,157.22, 15,429,084.12 and 7,113,682.98 is: 10,668,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288,157.22 : 15,429,084.12 = 7,113,682.98 : x
  2. Step 2: Convert to fraction form
    10,288,157.22/15,429,084.12 = 7,113,682.98/x
  3. Step 3: Cross multiply
    10,288,157.22x = 15,429,084.12 × 7,113,682.98
  4. Step 4: Simplify right side
    10,288,157.22x = 109,757,613,101,432.28
  5. Step 5: Solve for x
    x = 109,757,613,101,432.28/10,288,157.22
  6. Step 6: Final answer
    x = 10,668,345.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.