Home / 20,130,690.12-30,193,773.87-5,559,681.06

Finding the Fourth Proportional to 20,130,690.12, 30,193,773.87 and 5,559,681.06

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Solution

The fourth proportional to 20,130,690.12, 30,193,773.87 and 5,559,681.06 is: 8,338,897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,690.12 : 30,193,773.87 = 5,559,681.06 : x
  2. Step 2: Convert to fraction form
    20,130,690.12/30,193,773.87 = 5,559,681.06/x
  3. Step 3: Cross multiply
    20,130,690.12x = 30,193,773.87 × 5,559,681.06
  4. Step 4: Simplify right side
    20,130,690.12x = 167,867,752,714,961.91
  5. Step 5: Solve for x
    x = 167,867,752,714,961.91/20,130,690.12
  6. Step 6: Final answer
    x = 8,338,897.06

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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.