Home / 25,563,345.30-38,345,017.95-12,126,417.30

Finding the Fourth Proportional to 25,563,345.30, 38,345,017.95 and 12,126,417.30

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Solution

The fourth proportional to 25,563,345.30, 38,345,017.95 and 12,126,417.30 is: 18,189,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,563,345.30 : 38,345,017.95 = 12,126,417.30 : x
  2. Step 2: Convert to fraction form
    25,563,345.30/38,345,017.95 = 12,126,417.30/x
  3. Step 3: Cross multiply
    25,563,345.30x = 38,345,017.95 × 12,126,417.30
  4. Step 4: Simplify right side
    25,563,345.30x = 464,987,689,037,690.62
  5. Step 5: Solve for x
    x = 464,987,689,037,690.62/25,563,345.30
  6. Step 6: Final answer
    x = 18,189,625.95

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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.