Home / 21,889,659.60-32,834,489.40-13,827,502.80

Finding the Fourth Proportional to 21,889,659.60, 32,834,489.40 and 13,827,502.80

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Solution

The fourth proportional to 21,889,659.60, 32,834,489.40 and 13,827,502.80 is: 20,741,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889,659.60 : 32,834,489.40 = 13,827,502.80 : x
  2. Step 2: Convert to fraction form
    21,889,659.60/32,834,489.40 = 13,827,502.80/x
  3. Step 3: Cross multiply
    21,889,659.60x = 32,834,489.40 × 13,827,502.80
  4. Step 4: Simplify right side
    21,889,659.60x = 454,018,994,115,070.31
  5. Step 5: Solve for x
    x = 454,018,994,115,070.31/21,889,659.60
  6. Step 6: Final answer
    x = 20,741,254.20

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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.