Home / 20,337,617.08-30,506,415.90-5,191,543.72

Finding the Fourth Proportional to 20,337,617.08, 30,506,415.90 and 5,191,543.72

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Solution

The fourth proportional to 20,337,617.08, 30,506,415.90 and 5,191,543.72 is: 7,787,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,337,617.08 : 30,506,415.90 = 5,191,543.72 : x
  2. Step 2: Convert to fraction form
    20,337,617.08/30,506,415.90 = 5,191,543.72/x
  3. Step 3: Cross multiply
    20,337,617.08x = 30,506,415.90 × 5,191,543.72
  4. Step 4: Simplify right side
    20,337,617.08x = 158,375,391,885,353.12
  5. Step 5: Solve for x
    x = 158,375,391,885,353.12/20,337,617.08
  6. Step 6: Final answer
    x = 7,787,313.10

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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.