Home / 10,113,776-15,165,947.69-5,254,776.22

Finding the Fourth Proportional to 10,113,776, 15,165,947.69 and 5,254,776.22

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Solution

The fourth proportional to 10,113,776, 15,165,947.69 and 5,254,776.22 is: 7,879,713.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113,776 : 15,165,947.69 = 5,254,776.22 : x
  2. Step 2: Convert to fraction form
    10,113,776/15,165,947.69 = 5,254,776.22/x
  3. Step 3: Cross multiply
    10,113,776x = 15,165,947.69 × 5,254,776.22
  4. Step 4: Simplify right side
    10,113,776x = 79,693,661,275,175.92
  5. Step 5: Solve for x
    x = 79,693,661,275,175.92/10,113,776
  6. Step 6: Final answer
    x = 7,879,713.89

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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.