Home / 8,991,031.70-13,486,547.55-7,951,769.30

Finding the Fourth Proportional to 8,991,031.70, 13,486,547.55 and 7,951,769.30

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Solution

The fourth proportional to 8,991,031.70, 13,486,547.55 and 7,951,769.30 is: 11,927,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,031.70 : 13,486,547.55 = 7,951,769.30 : x
  2. Step 2: Convert to fraction form
    8,991,031.70/13,486,547.55 = 7,951,769.30/x
  3. Step 3: Cross multiply
    8,991,031.70x = 13,486,547.55 × 7,951,769.30
  4. Step 4: Simplify right side
    8,991,031.70x = 107,241,914,771,080.22
  5. Step 5: Solve for x
    x = 107,241,914,771,080.22/8,991,031.70
  6. Step 6: Final answer
    x = 11,927,653.95

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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.