Home / 15,798,742.20-23,698,113.30-13,972,159.80

Finding the Fourth Proportional to 15,798,742.20, 23,698,113.30 and 13,972,159.80

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Solution

The fourth proportional to 15,798,742.20, 23,698,113.30 and 13,972,159.80 is: 20,958,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798,742.20 : 23,698,113.30 = 13,972,159.80 : x
  2. Step 2: Convert to fraction form
    15,798,742.20/23,698,113.30 = 13,972,159.80/x
  3. Step 3: Cross multiply
    15,798,742.20x = 23,698,113.30 × 13,972,159.80
  4. Step 4: Simplify right side
    15,798,742.20x = 331,113,825,986,105.38
  5. Step 5: Solve for x
    x = 331,113,825,986,105.38/15,798,742.20
  6. Step 6: Final answer
    x = 20,958,239.70

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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.