Home / 15,157,100.10-22,791,637.35-12,693,663.30

Finding the Fourth Proportional to 15,157,100.10, 22,791,637.35 and 12,693,663.30

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Solution

The fourth proportional to 15,157,100.10, 22,791,637.35 and 12,693,663.30 is: 19,087,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157,100.10 : 22,791,637.35 = 12,693,663.30 : x
  2. Step 2: Convert to fraction form
    15,157,100.10/22,791,637.35 = 12,693,663.30/x
  3. Step 3: Cross multiply
    15,157,100.10x = 22,791,637.35 × 12,693,663.30
  4. Step 4: Simplify right side
    15,157,100.10x = 289,309,370,576,604.31
  5. Step 5: Solve for x
    x = 289,309,370,576,604.31/15,157,100.10
  6. Step 6: Final answer
    x = 19,087,382.72

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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.