Home / 19,431,071.20-29,150,543.40-6,652,867.60

Finding the Fourth Proportional to 19,431,071.20, 29,150,543.40 and 6,652,867.60

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Solution

The fourth proportional to 19,431,071.20, 29,150,543.40 and 6,652,867.60 is: 9,980,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431,071.20 : 29,150,543.40 = 6,652,867.60 : x
  2. Step 2: Convert to fraction form
    19,431,071.20/29,150,543.40 = 6,652,867.60/x
  3. Step 3: Cross multiply
    19,431,071.20x = 29,150,543.40 × 6,652,867.60
  4. Step 4: Simplify right side
    19,431,071.20x = 193,934,705,708,253.81
  5. Step 5: Solve for x
    x = 193,934,705,708,253.81/19,431,071.20
  6. Step 6: Final answer
    x = 9,980,649.22

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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.