Home / 18,924,646.20-28,386,966.06-4,547,713.74

Finding the Fourth Proportional to 18,924,646.20, 28,386,966.06 and 4,547,713.74

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Solution

The fourth proportional to 18,924,646.20, 28,386,966.06 and 4,547,713.74 is: 6,821,569.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924,646.20 : 28,386,966.06 = 4,547,713.74 : x
  2. Step 2: Convert to fraction form
    18,924,646.20/28,386,966.06 = 4,547,713.74/x
  3. Step 3: Cross multiply
    18,924,646.20x = 28,386,966.06 × 4,547,713.74
  4. Step 4: Simplify right side
    18,924,646.20x = 129,095,795,587,975.67
  5. Step 5: Solve for x
    x = 129,095,795,587,975.67/18,924,646.20
  6. Step 6: Final answer
    x = 6,821,569.83

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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.