Home / 13,186,667.70-19,780,001.55-8,084,834.10

Finding the Fourth Proportional to 13,186,667.70, 19,780,001.55 and 8,084,834.10

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Solution

The fourth proportional to 13,186,667.70, 19,780,001.55 and 8,084,834.10 is: 12,127,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186,667.70 : 19,780,001.55 = 8,084,834.10 : x
  2. Step 2: Convert to fraction form
    13,186,667.70/19,780,001.55 = 8,084,834.10/x
  3. Step 3: Cross multiply
    13,186,667.70x = 19,780,001.55 × 8,084,834.10
  4. Step 4: Simplify right side
    13,186,667.70x = 159,918,031,029,492.84
  5. Step 5: Solve for x
    x = 159,918,031,029,492.84/13,186,667.70
  6. Step 6: Final answer
    x = 12,127,251.15

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Double scale
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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.