Home / 13,475,132.10-20,212,698.15-5,384,106.90

Finding the Fourth Proportional to 13,475,132.10, 20,212,698.15 and 5,384,106.90

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Solution

The fourth proportional to 13,475,132.10, 20,212,698.15 and 5,384,106.90 is: 8,076,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,132.10 : 20,212,698.15 = 5,384,106.90 : x
  2. Step 2: Convert to fraction form
    13,475,132.10/20,212,698.15 = 5,384,106.90/x
  3. Step 3: Cross multiply
    13,475,132.10x = 20,212,698.15 × 5,384,106.90
  4. Step 4: Simplify right side
    13,475,132.10x = 108,827,327,577,032.23
  5. Step 5: Solve for x
    x = 108,827,327,577,032.23/13,475,132.10
  6. Step 6: Final answer
    x = 8,076,160.35

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Similar ratio
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1.5x scale

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.