Home / 13,296,261.60-19,954,222.80-5,323,807.20

Finding the Fourth Proportional to 13,296,261.60, 19,954,222.80 and 5,323,807.20

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Solution

The fourth proportional to 13,296,261.60, 19,954,222.80 and 5,323,807.20 is: 7,989,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296,261.60 : 19,954,222.80 = 5,323,807.20 : x
  2. Step 2: Convert to fraction form
    13,296,261.60/19,954,222.80 = 5,323,807.20/x
  3. Step 3: Cross multiply
    13,296,261.60x = 19,954,222.80 × 5,323,807.20
  4. Step 4: Simplify right side
    13,296,261.60x = 106,232,435,013,044.17
  5. Step 5: Solve for x
    x = 106,232,435,013,044.17/13,296,261.60
  6. Step 6: Final answer
    x = 7,989,646.88

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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.