Home / 13,296,417.60-19,954,456.80-5,323,963.20

Finding the Fourth Proportional to 13,296,417.60, 19,954,456.80 and 5,323,963.20

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Solution

The fourth proportional to 13,296,417.60, 19,954,456.80 and 5,323,963.20 is: 7,989,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296,417.60 : 19,954,456.80 = 5,323,963.20 : x
  2. Step 2: Convert to fraction form
    13,296,417.60/19,954,456.80 = 5,323,963.20/x
  3. Step 3: Cross multiply
    13,296,417.60x = 19,954,456.80 × 5,323,963.20
  4. Step 4: Simplify right side
    13,296,417.60x = 106,236,793,679,189.77
  5. Step 5: Solve for x
    x = 106,236,793,679,189.77/13,296,417.60
  6. Step 6: Final answer
    x = 7,989,880.95

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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.