Home / 21,506,572.80-32,259,859.20-21,357,273.60

Finding the Fourth Proportional to 21,506,572.80, 32,259,859.20 and 21,357,273.60

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Solution

The fourth proportional to 21,506,572.80, 32,259,859.20 and 21,357,273.60 is: 32,035,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506,572.80 : 32,259,859.20 = 21,357,273.60 : x
  2. Step 2: Convert to fraction form
    21,506,572.80/32,259,859.20 = 21,357,273.60/x
  3. Step 3: Cross multiply
    21,506,572.80x = 32,259,859.20 × 21,357,273.60
  4. Step 4: Simplify right side
    21,506,572.80x = 688,982,639,231,877.12
  5. Step 5: Solve for x
    x = 688,982,639,231,877.12/21,506,572.80
  6. Step 6: Final answer
    x = 32,035,910.40

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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.