Home / 21,851,160.40-32,776,740.60-7,472,947.60

Finding the Fourth Proportional to 21,851,160.40, 32,776,740.60 and 7,472,947.60

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Solution

The fourth proportional to 21,851,160.40, 32,776,740.60 and 7,472,947.60 is: 11,209,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,160.40 : 32,776,740.60 = 7,472,947.60 : x
  2. Step 2: Convert to fraction form
    21,851,160.40/32,776,740.60 = 7,472,947.60/x
  3. Step 3: Cross multiply
    21,851,160.40x = 32,776,740.60 × 7,472,947.60
  4. Step 4: Simplify right side
    21,851,160.40x = 244,938,865,002,592.56
  5. Step 5: Solve for x
    x = 244,938,865,002,592.56/21,851,160.40
  6. Step 6: Final answer
    x = 11,209,421.40

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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.