Home / 21,881,961.60-32,829,009.60-9,108,483.20

Finding the Fourth Proportional to 21,881,961.60, 32,829,009.60 and 9,108,483.20

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Solution

The fourth proportional to 21,881,961.60, 32,829,009.60 and 9,108,483.20 is: 13,665,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,881,961.60 : 32,829,009.60 = 9,108,483.20 : x
  2. Step 2: Convert to fraction form
    21,881,961.60/32,829,009.60 = 9,108,483.20/x
  3. Step 3: Cross multiply
    21,881,961.60x = 32,829,009.60 × 9,108,483.20
  4. Step 4: Simplify right side
    21,881,961.60x = 299,022,482,414,238.69
  5. Step 5: Solve for x
    x = 299,022,482,414,238.69/21,881,961.60
  6. Step 6: Final answer
    x = 13,665,250.30

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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.