Home / 21,506,513.60-32,259,770.40-21,002,628.80

Finding the Fourth Proportional to 21,506,513.60, 32,259,770.40 and 21,002,628.80

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Solution

The fourth proportional to 21,506,513.60, 32,259,770.40 and 21,002,628.80 is: 31,503,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506,513.60 : 32,259,770.40 = 21,002,628.80 : x
  2. Step 2: Convert to fraction form
    21,506,513.60/32,259,770.40 = 21,002,628.80/x
  3. Step 3: Cross multiply
    21,506,513.60x = 32,259,770.40 × 21,002,628.80
  4. Step 4: Simplify right side
    21,506,513.60x = 677,539,982,884,427.50
  5. Step 5: Solve for x
    x = 677,539,982,884,427.50/21,506,513.60
  6. Step 6: Final answer
    x = 31,503,943.20

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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.