Home / 13,599,985.20-20,382,263.10-5,506,335.60

Finding the Fourth Proportional to 13,599,985.20, 20,382,263.10 and 5,506,335.60

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Solution

The fourth proportional to 13,599,985.20, 20,382,263.10 and 5,506,335.60 is: 8,252,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599,985.20 : 20,382,263.10 = 5,506,335.60 : x
  2. Step 2: Convert to fraction form
    13,599,985.20/20,382,263.10 = 5,506,335.60/x
  3. Step 3: Cross multiply
    13,599,985.20x = 20,382,263.10 × 5,506,335.60
  4. Step 4: Simplify right side
    13,599,985.20x = 112,231,580,916,096.36
  5. Step 5: Solve for x
    x = 112,231,580,916,096.36/13,599,985.20
  6. Step 6: Final answer
    x = 8,252,331.11

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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.