Home / 18,737,557.20-28,106,335.80-14,480,780.40

Finding the Fourth Proportional to 18,737,557.20, 28,106,335.80 and 14,480,780.40

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Solution

The fourth proportional to 18,737,557.20, 28,106,335.80 and 14,480,780.40 is: 21,721,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737,557.20 : 28,106,335.80 = 14,480,780.40 : x
  2. Step 2: Convert to fraction form
    18,737,557.20/28,106,335.80 = 14,480,780.40/x
  3. Step 3: Cross multiply
    18,737,557.20x = 28,106,335.80 × 14,480,780.40
  4. Step 4: Simplify right side
    18,737,557.20x = 407,001,676,568,458.31
  5. Step 5: Solve for x
    x = 407,001,676,568,458.31/18,737,557.20
  6. Step 6: Final answer
    x = 21,721,170.60

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1.5x scale

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.