Home / 21,423,986.40-32,167,472.40-15,062,440.80

Finding the Fourth Proportional to 21,423,986.40, 32,167,472.40 and 15,062,440.80

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Solution

The fourth proportional to 21,423,986.40, 32,167,472.40 and 15,062,440.80 is: 22,615,802.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,423,986.40 : 32,167,472.40 = 15,062,440.80 : x
  2. Step 2: Convert to fraction form
    21,423,986.40/32,167,472.40 = 15,062,440.80/x
  3. Step 3: Cross multiply
    21,423,986.40x = 32,167,472.40 × 15,062,440.80
  4. Step 4: Simplify right side
    21,423,986.40x = 484,520,648,710,633.94
  5. Step 5: Solve for x
    x = 484,520,648,710,633.94/21,423,986.40
  6. Step 6: Final answer
    x = 22,615,802.66

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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.