Home / 9,073,077.40-13,570,250.10-8,120,420.20

Finding the Fourth Proportional to 9,073,077.40, 13,570,250.10 and 8,120,420.20

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Solution

The fourth proportional to 9,073,077.40, 13,570,250.10 and 8,120,420.20 is: 12,145,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,073,077.40 : 13,570,250.10 = 8,120,420.20 : x
  2. Step 2: Convert to fraction form
    9,073,077.40/13,570,250.10 = 8,120,420.20/x
  3. Step 3: Cross multiply
    9,073,077.40x = 13,570,250.10 × 8,120,420.20
  4. Step 4: Simplify right side
    9,073,077.40x = 110,196,133,031,092.02
  5. Step 5: Solve for x
    x = 110,196,133,031,092.02/9,073,077.40
  6. Step 6: Final answer
    x = 12,145,397.66

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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.