Home / 18,924,449.74-28,386,671.67-4,547,517.70

Finding the Fourth Proportional to 18,924,449.74, 28,386,671.67 and 4,547,517.70

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Solution

The fourth proportional to 18,924,449.74, 28,386,671.67 and 4,547,517.70 is: 6,821,275.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924,449.74 : 28,386,671.67 = 4,547,517.70 : x
  2. Step 2: Convert to fraction form
    18,924,449.74/28,386,671.67 = 4,547,517.70/x
  3. Step 3: Cross multiply
    18,924,449.74x = 28,386,671.67 × 4,547,517.70
  4. Step 4: Simplify right side
    18,924,449.74x = 129,088,891,863,413.58
  5. Step 5: Solve for x
    x = 129,088,891,863,413.58/18,924,449.74
  6. Step 6: Final answer
    x = 6,821,275.84

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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.