Home / 8,219,603.55-12,279,003.71-5,925,549.90

Finding the Fourth Proportional to 8,219,603.55, 12,279,003.71 and 5,925,549.90

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Solution

The fourth proportional to 8,219,603.55, 12,279,003.71 and 5,925,549.90 is: 8,851,990.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219,603.55 : 12,279,003.71 = 5,925,549.90 : x
  2. Step 2: Convert to fraction form
    8,219,603.55/12,279,003.71 = 5,925,549.90/x
  3. Step 3: Cross multiply
    8,219,603.55x = 12,279,003.71 × 5,925,549.90
  4. Step 4: Simplify right side
    8,219,603.55x = 72,759,849,205,890.14
  5. Step 5: Solve for x
    x = 72,759,849,205,890.14/8,219,603.55
  6. Step 6: Final answer
    x = 8,851,990.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.