Home / 21,574,429.90-32,361,644.85-13,108,612.30

Finding the Fourth Proportional to 21,574,429.90, 32,361,644.85 and 13,108,612.30

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Solution

The fourth proportional to 21,574,429.90, 32,361,644.85 and 13,108,612.30 is: 19,662,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574,429.90 : 32,361,644.85 = 13,108,612.30 : x
  2. Step 2: Convert to fraction form
    21,574,429.90/32,361,644.85 = 13,108,612.30/x
  3. Step 3: Cross multiply
    21,574,429.90x = 32,361,644.85 × 13,108,612.30
  4. Step 4: Simplify right side
    21,574,429.90x = 424,216,255,728,941.69
  5. Step 5: Solve for x
    x = 424,216,255,728,941.69/21,574,429.90
  6. Step 6: Final answer
    x = 19,662,918.45

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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.