Home / 30,299,237.70-45,454,761.45-13,027,405.20

Finding the Fourth Proportional to 30,299,237.70, 45,454,761.45 and 13,027,405.20

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Solution

The fourth proportional to 30,299,237.70, 45,454,761.45 and 13,027,405.20 is: 19,543,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299,237.70 : 45,454,761.45 = 13,027,405.20 : x
  2. Step 2: Convert to fraction form
    30,299,237.70/45,454,761.45 = 13,027,405.20/x
  3. Step 3: Cross multiply
    30,299,237.70x = 45,454,761.45 × 13,027,405.20
  4. Step 4: Simplify right side
    30,299,237.70x = 592,157,595,678,489.50
  5. Step 5: Solve for x
    x = 592,157,595,678,489.50/30,299,237.70
  6. Step 6: Final answer
    x = 19,543,646.66

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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.