Home / 22,157,655.60-33,236,483.40-20,813,962.80

Finding the Fourth Proportional to 22,157,655.60, 33,236,483.40 and 20,813,962.80

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Solution

The fourth proportional to 22,157,655.60, 33,236,483.40 and 20,813,962.80 is: 31,220,944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,655.60 : 33,236,483.40 = 20,813,962.80 : x
  2. Step 2: Convert to fraction form
    22,157,655.60/33,236,483.40 = 20,813,962.80/x
  3. Step 3: Cross multiply
    22,157,655.60x = 33,236,483.40 × 20,813,962.80
  4. Step 4: Simplify right side
    22,157,655.60x = 691,782,929,090,417.50
  5. Step 5: Solve for x
    x = 691,782,929,090,417.50/22,157,655.60
  6. Step 6: Final answer
    x = 31,220,944.20

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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.