Home / 28,259,244.80-42,304,886.40-16,893,843.20

Finding the Fourth Proportional to 28,259,244.80, 42,304,886.40 and 16,893,843.20

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Solution

The fourth proportional to 28,259,244.80, 42,304,886.40 and 16,893,843.20 is: 25,290,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,259,244.80 : 42,304,886.40 = 16,893,843.20 : x
  2. Step 2: Convert to fraction form
    28,259,244.80/42,304,886.40 = 16,893,843.20/x
  3. Step 3: Cross multiply
    28,259,244.80x = 42,304,886.40 × 16,893,843.20
  4. Step 4: Simplify right side
    28,259,244.80x = 714,692,117,435,412.38
  5. Step 5: Solve for x
    x = 714,692,117,435,412.38/28,259,244.80
  6. Step 6: Final answer
    x = 25,290,559.69

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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.