Home / 20,506,826.12-30,766,973.33-8,386,483.04

Finding the Fourth Proportional to 20,506,826.12, 30,766,973.33 and 8,386,483.04

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Solution

The fourth proportional to 20,506,826.12, 30,766,973.33 and 8,386,483.04 is: 12,582,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,506,826.12 : 30,766,973.33 = 8,386,483.04 : x
  2. Step 2: Convert to fraction form
    20,506,826.12/30,766,973.33 = 8,386,483.04/x
  3. Step 3: Cross multiply
    20,506,826.12x = 30,766,973.33 × 8,386,483.04
  4. Step 4: Simplify right side
    20,506,826.12x = 258,026,699,891,308.66
  5. Step 5: Solve for x
    x = 258,026,699,891,308.66/20,506,826.12
  6. Step 6: Final answer
    x = 12,582,478.56

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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.