Home / 13,547,001.69-18,694,872.09-7,352,046.77

Finding the Fourth Proportional to 13,547,001.69, 18,694,872.09 and 7,352,046.77

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Solution

The fourth proportional to 13,547,001.69, 18,694,872.09 and 7,352,046.77 is: 10,145,829.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547,001.69 : 18,694,872.09 = 7,352,046.77 : x
  2. Step 2: Convert to fraction form
    13,547,001.69/18,694,872.09 = 7,352,046.77/x
  3. Step 3: Cross multiply
    13,547,001.69x = 18,694,872.09 × 7,352,046.77
  4. Step 4: Simplify right side
    13,547,001.69x = 137,445,573,871,373.28
  5. Step 5: Solve for x
    x = 137,445,573,871,373.28/13,547,001.69
  6. Step 6: Final answer
    x = 10,145,829.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.