Home / 38,181,503-52,690,482.78-21,012,095

Finding the Fourth Proportional to 38,181,503, 52,690,482.78 and 21,012,095

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Solution

The fourth proportional to 38,181,503, 52,690,482.78 and 21,012,095 is: 28,996,695.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181,503 : 52,690,482.78 = 21,012,095 : x
  2. Step 2: Convert to fraction form
    38,181,503/52,690,482.78 = 21,012,095/x
  3. Step 3: Cross multiply
    38,181,503x = 52,690,482.78 × 21,012,095
  4. Step 4: Simplify right side
    38,181,503x = 1,107,137,429,769,224.12
  5. Step 5: Solve for x
    x = 1,107,137,429,769,224.12/38,181,503
  6. Step 6: Final answer
    x = 28,996,695.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.