Home / 18,684,030.15-28,030,473.90-9,587,531.70

Finding the Fourth Proportional to 18,684,030.15, 28,030,473.90 and 9,587,531.70

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Solution

The fourth proportional to 18,684,030.15, 28,030,473.90 and 9,587,531.70 is: 14,383,570.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,030.15 : 28,030,473.90 = 9,587,531.70 : x
  2. Step 2: Convert to fraction form
    18,684,030.15/28,030,473.90 = 9,587,531.70/x
  3. Step 3: Cross multiply
    18,684,030.15x = 28,030,473.90 × 9,587,531.70
  4. Step 4: Simplify right side
    18,684,030.15x = 268,743,057,082,272.59
  5. Step 5: Solve for x
    x = 268,743,057,082,272.59/18,684,030.15
  6. Step 6: Final answer
    x = 14,383,570.08

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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.