Home / 12,852,031.40-19,309,540.02-9,663,385.40

Finding the Fourth Proportional to 12,852,031.40, 19,309,540.02 and 9,663,385.40

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Solution

The fourth proportional to 12,852,031.40, 19,309,540.02 and 9,663,385.40 is: 14,518,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852,031.40 : 19,309,540.02 = 9,663,385.40 : x
  2. Step 2: Convert to fraction form
    12,852,031.40/19,309,540.02 = 9,663,385.40/x
  3. Step 3: Cross multiply
    12,852,031.40x = 19,309,540.02 × 9,663,385.40
  4. Step 4: Simplify right side
    12,852,031.40x = 186,595,527,109,983.72
  5. Step 5: Solve for x
    x = 186,595,527,109,983.72/12,852,031.40
  6. Step 6: Final answer
    x = 14,518,757.49

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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.