Home / 15,473,031.60-21,347,894.52-9,276,803.76

Finding the Fourth Proportional to 15,473,031.60, 21,347,894.52 and 9,276,803.76

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Solution

The fourth proportional to 15,473,031.60, 21,347,894.52 and 9,276,803.76 is: 12,799,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473,031.60 : 21,347,894.52 = 9,276,803.76 : x
  2. Step 2: Convert to fraction form
    15,473,031.60/21,347,894.52 = 9,276,803.76/x
  3. Step 3: Cross multiply
    15,473,031.60x = 21,347,894.52 × 9,276,803.76
  4. Step 4: Simplify right side
    15,473,031.60x = 198,040,228,151,219.38
  5. Step 5: Solve for x
    x = 198,040,228,151,219.38/15,473,031.60
  6. Step 6: Final answer
    x = 12,799,057.95

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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.