Home / 28,423,857.60-42,631,509.88-7,950,923.44

Finding the Fourth Proportional to 28,423,857.60, 42,631,509.88 and 7,950,923.44

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Solution

The fourth proportional to 28,423,857.60, 42,631,509.88 and 7,950,923.44 is: 11,925,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423,857.60 : 42,631,509.88 = 7,950,923.44 : x
  2. Step 2: Convert to fraction form
    28,423,857.60/42,631,509.88 = 7,950,923.44/x
  3. Step 3: Cross multiply
    28,423,857.60x = 42,631,509.88 × 7,950,923.44
  4. Step 4: Simplify right side
    28,423,857.60x = 338,959,871,187,483.62
  5. Step 5: Solve for x
    x = 338,959,871,187,483.62/28,423,857.60
  6. Step 6: Final answer
    x = 11,925,188.90

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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.