Home / 20,043,420.32-27,660,532.95-11,781,966.80

Finding the Fourth Proportional to 20,043,420.32, 27,660,532.95 and 11,781,966.80

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Solution

The fourth proportional to 20,043,420.32, 27,660,532.95 and 11,781,966.80 is: 16,259,474.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043,420.32 : 27,660,532.95 = 11,781,966.80 : x
  2. Step 2: Convert to fraction form
    20,043,420.32/27,660,532.95 = 11,781,966.80/x
  3. Step 3: Cross multiply
    20,043,420.32x = 27,660,532.95 × 11,781,966.80
  4. Step 4: Simplify right side
    20,043,420.32x = 325,895,480,748,903.38
  5. Step 5: Solve for x
    x = 325,895,480,748,903.38/20,043,420.32
  6. Step 6: Final answer
    x = 16,259,474.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.