Home / 8,319,100.80-12,480,400.80-4,721,923.20

Finding the Fourth Proportional to 8,319,100.80, 12,480,400.80 and 4,721,923.20

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Solution

The fourth proportional to 8,319,100.80, 12,480,400.80 and 4,721,923.20 is: 7,083,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,100.80 : 12,480,400.80 = 4,721,923.20 : x
  2. Step 2: Convert to fraction form
    8,319,100.80/12,480,400.80 = 4,721,923.20/x
  3. Step 3: Cross multiply
    8,319,100.80x = 12,480,400.80 × 4,721,923.20
  4. Step 4: Simplify right side
    8,319,100.80x = 58,931,494,082,818.56
  5. Step 5: Solve for x
    x = 58,931,494,082,818.56/8,319,100.80
  6. Step 6: Final answer
    x = 7,083,877.87

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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.