Home / 15,492,679.29-21,379,897.03-8,523,207.15

Finding the Fourth Proportional to 15,492,679.29, 21,379,897.03 and 8,523,207.15

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Solution

The fourth proportional to 15,492,679.29, 21,379,897.03 and 8,523,207.15 is: 11,762,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492,679.29 : 21,379,897.03 = 8,523,207.15 : x
  2. Step 2: Convert to fraction form
    15,492,679.29/21,379,897.03 = 8,523,207.15/x
  3. Step 3: Cross multiply
    15,492,679.29x = 21,379,897.03 × 8,523,207.15
  4. Step 4: Simplify right side
    15,492,679.29x = 182,225,291,146,858.16
  5. Step 5: Solve for x
    x = 182,225,291,146,858.16/15,492,679.29
  6. Step 6: Final answer
    x = 11,762,025.65

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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.