Home / 15,423,751.74-21,272,366.56-13,559,180.63

Finding the Fourth Proportional to 15,423,751.74, 21,272,366.56 and 13,559,180.63

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Solution

The fourth proportional to 15,423,751.74, 21,272,366.56 and 13,559,180.63 is: 18,700,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423,751.74 : 21,272,366.56 = 13,559,180.63 : x
  2. Step 2: Convert to fraction form
    15,423,751.74/21,272,366.56 = 13,559,180.63/x
  3. Step 3: Cross multiply
    15,423,751.74x = 21,272,366.56 × 13,559,180.63
  4. Step 4: Simplify right side
    15,423,751.74x = 288,435,860,599,996.75
  5. Step 5: Solve for x
    x = 288,435,860,599,996.75/15,423,751.74
  6. Step 6: Final answer
    x = 18,700,758.77

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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.