Home / 21,563,709.60-32,257,090.80-19,440,343.20

Finding the Fourth Proportional to 21,563,709.60, 32,257,090.80 and 19,440,343.20

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Solution

The fourth proportional to 21,563,709.60, 32,257,090.80 and 19,440,343.20 is: 29,080,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563,709.60 : 32,257,090.80 = 19,440,343.20 : x
  2. Step 2: Convert to fraction form
    21,563,709.60/32,257,090.80 = 19,440,343.20/x
  3. Step 3: Cross multiply
    21,563,709.60x = 32,257,090.80 × 19,440,343.20
  4. Step 4: Simplify right side
    21,563,709.60x = 627,088,915,785,562.50
  5. Step 5: Solve for x
    x = 627,088,915,785,562.50/21,563,709.60
  6. Step 6: Final answer
    x = 29,080,753.15

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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.