Home / 28,002,357-42,010,621.38-7,807,599

Finding the Fourth Proportional to 28,002,357, 42,010,621.38 and 7,807,599

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Solution

The fourth proportional to 28,002,357, 42,010,621.38 and 7,807,599 is: 11,713,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002,357 : 42,010,621.38 = 7,807,599 : x
  2. Step 2: Convert to fraction form
    28,002,357/42,010,621.38 = 7,807,599/x
  3. Step 3: Cross multiply
    28,002,357x = 42,010,621.38 × 7,807,599
  4. Step 4: Simplify right side
    28,002,357x = 328,002,085,475,866.62
  5. Step 5: Solve for x
    x = 328,002,085,475,866.62/28,002,357
  6. Step 6: Final answer
    x = 11,713,374.18

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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.