Home / 28,248,313.90-42,378,000.45-12,074,233.90

Finding the Fourth Proportional to 28,248,313.90, 42,378,000.45 and 12,074,233.90

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Solution

The fourth proportional to 28,248,313.90, 42,378,000.45 and 12,074,233.90 is: 18,113,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248,313.90 : 42,378,000.45 = 12,074,233.90 : x
  2. Step 2: Convert to fraction form
    28,248,313.90/42,378,000.45 = 12,074,233.90/x
  3. Step 3: Cross multiply
    28,248,313.90x = 42,378,000.45 × 12,074,233.90
  4. Step 4: Simplify right side
    28,248,313.90x = 511,681,889,647,605.31
  5. Step 5: Solve for x
    x = 511,681,889,647,605.31/28,248,313.90
  6. Step 6: Final answer
    x = 18,113,714.38

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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.