Home / 12,960,588.60-19,440,882.90-9,937,279.80

Finding the Fourth Proportional to 12,960,588.60, 19,440,882.90 and 9,937,279.80

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Solution

The fourth proportional to 12,960,588.60, 19,440,882.90 and 9,937,279.80 is: 14,905,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,588.60 : 19,440,882.90 = 9,937,279.80 : x
  2. Step 2: Convert to fraction form
    12,960,588.60/19,440,882.90 = 9,937,279.80/x
  3. Step 3: Cross multiply
    12,960,588.60x = 19,440,882.90 × 9,937,279.80
  4. Step 4: Simplify right side
    12,960,588.60x = 193,189,492,936,335.41
  5. Step 5: Solve for x
    x = 193,189,492,936,335.41/12,960,588.60
  6. Step 6: Final answer
    x = 14,905,919.70

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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.