Home / 13,486,549.10-20,229,823.65-5,400,772.70

Finding the Fourth Proportional to 13,486,549.10, 20,229,823.65 and 5,400,772.70

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Solution

The fourth proportional to 13,486,549.10, 20,229,823.65 and 5,400,772.70 is: 8,101,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,549.10 : 20,229,823.65 = 5,400,772.70 : x
  2. Step 2: Convert to fraction form
    13,486,549.10/20,229,823.65 = 5,400,772.70/x
  3. Step 3: Cross multiply
    13,486,549.10x = 20,229,823.65 × 5,400,772.70
  4. Step 4: Simplify right side
    13,486,549.10x = 109,256,679,294,734.34
  5. Step 5: Solve for x
    x = 109,256,679,294,734.34/13,486,549.10
  6. Step 6: Final answer
    x = 8,101,159.05

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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.