Home / 19,955,419.20-29,933,128.80-19,766,462.40

Finding the Fourth Proportional to 19,955,419.20, 29,933,128.80 and 19,766,462.40

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Solution

The fourth proportional to 19,955,419.20, 29,933,128.80 and 19,766,462.40 is: 29,649,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955,419.20 : 29,933,128.80 = 19,766,462.40 : x
  2. Step 2: Convert to fraction form
    19,955,419.20/29,933,128.80 = 19,766,462.40/x
  3. Step 3: Cross multiply
    19,955,419.20x = 29,933,128.80 × 19,766,462.40
  4. Step 4: Simplify right side
    19,955,419.20x = 591,672,064,939,557.12
  5. Step 5: Solve for x
    x = 591,672,064,939,557.12/19,955,419.20
  6. Step 6: Final answer
    x = 29,649,693.60

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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.