Home / 14,278,631.60-21,417,947.40-13,656,648.80

Finding the Fourth Proportional to 14,278,631.60, 21,417,947.40 and 13,656,648.80

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Solution

The fourth proportional to 14,278,631.60, 21,417,947.40 and 13,656,648.80 is: 20,484,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,631.60 : 21,417,947.40 = 13,656,648.80 : x
  2. Step 2: Convert to fraction form
    14,278,631.60/21,417,947.40 = 13,656,648.80/x
  3. Step 3: Cross multiply
    14,278,631.60x = 21,417,947.40 × 13,656,648.80
  4. Step 4: Simplify right side
    14,278,631.60x = 292,497,385,658,673.12
  5. Step 5: Solve for x
    x = 292,497,385,658,673.12/14,278,631.60
  6. Step 6: Final answer
    x = 20,484,973.20

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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.