Home / 18,924,549.30-28,386,820.98-4,547,617.20

Finding the Fourth Proportional to 18,924,549.30, 28,386,820.98 and 4,547,617.20

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Solution

The fourth proportional to 18,924,549.30, 28,386,820.98 and 4,547,617.20 is: 6,821,425.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924,549.30 : 28,386,820.98 = 4,547,617.20 : x
  2. Step 2: Convert to fraction form
    18,924,549.30/28,386,820.98 = 4,547,617.20/x
  3. Step 3: Cross multiply
    18,924,549.30x = 28,386,820.98 × 4,547,617.20
  4. Step 4: Simplify right side
    18,924,549.30x = 129,092,395,341,968.86
  5. Step 5: Solve for x
    x = 129,092,395,341,968.86/18,924,549.30
  6. Step 6: Final answer
    x = 6,821,425.09

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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.