Home / 40,426,419.60-60,642,253.80-21,294,543.60

Finding the Fourth Proportional to 40,426,419.60, 60,642,253.80 and 21,294,543.60

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Solution

The fourth proportional to 40,426,419.60, 60,642,253.80 and 21,294,543.60 is: 31,943,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,426,419.60 : 60,642,253.80 = 21,294,543.60 : x
  2. Step 2: Convert to fraction form
    40,426,419.60/60,642,253.80 = 21,294,543.60/x
  3. Step 3: Cross multiply
    40,426,419.60x = 60,642,253.80 × 21,294,543.60
  4. Step 4: Simplify right side
    40,426,419.60x = 1,291,349,117,546,365.75
  5. Step 5: Solve for x
    x = 1,291,349,117,546,365.75/40,426,419.60
  6. Step 6: Final answer
    x = 31,943,197.80

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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.