Home / 15,116,314.85-20,860,315.27-8,500,901.34

Finding the Fourth Proportional to 15,116,314.85, 20,860,315.27 and 8,500,901.34

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Solution

The fourth proportional to 15,116,314.85, 20,860,315.27 and 8,500,901.34 is: 11,731,131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,116,314.85 : 20,860,315.27 = 8,500,901.34 : x
  2. Step 2: Convert to fraction form
    15,116,314.85/20,860,315.27 = 8,500,901.34/x
  3. Step 3: Cross multiply
    15,116,314.85x = 20,860,315.27 × 8,500,901.34
  4. Step 4: Simplify right side
    15,116,314.85x = 177,331,482,031,565.47
  5. Step 5: Solve for x
    x = 177,331,482,031,565.47/15,116,314.85
  6. Step 6: Final answer
    x = 11,731,131.81

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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.