Home / 13,486,543.30-20,229,814.95-11,927,649.70

Finding the Fourth Proportional to 13,486,543.30, 20,229,814.95 and 11,927,649.70

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Solution

The fourth proportional to 13,486,543.30, 20,229,814.95 and 11,927,649.70 is: 17,891,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,543.30 : 20,229,814.95 = 11,927,649.70 : x
  2. Step 2: Convert to fraction form
    13,486,543.30/20,229,814.95 = 11,927,649.70/x
  3. Step 3: Cross multiply
    13,486,543.30x = 20,229,814.95 × 11,927,649.70
  4. Step 4: Simplify right side
    13,486,543.30x = 241,294,146,219,423
  5. Step 5: Solve for x
    x = 241,294,146,219,423/13,486,543.30
  6. Step 6: Final answer
    x = 17,891,474.55

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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.