Home / 13,306,699.80-19,960,049.70-12,466,891.80

Finding the Fourth Proportional to 13,306,699.80, 19,960,049.70 and 12,466,891.80

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Solution

The fourth proportional to 13,306,699.80, 19,960,049.70 and 12,466,891.80 is: 18,700,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,699.80 : 19,960,049.70 = 12,466,891.80 : x
  2. Step 2: Convert to fraction form
    13,306,699.80/19,960,049.70 = 12,466,891.80/x
  3. Step 3: Cross multiply
    13,306,699.80x = 19,960,049.70 × 12,466,891.80
  4. Step 4: Simplify right side
    13,306,699.80x = 248,839,779,932,522.47
  5. Step 5: Solve for x
    x = 248,839,779,932,522.47/13,306,699.80
  6. Step 6: Final answer
    x = 18,700,337.70

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1.5x scale

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.