Home / 12,730,009.62-17,567,793.47-7,838,053.91

Finding the Fourth Proportional to 12,730,009.62, 17,567,793.47 and 7,838,053.91

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Solution

The fourth proportional to 12,730,009.62, 17,567,793.47 and 7,838,053.91 is: 10,816,748.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730,009.62 : 17,567,793.47 = 7,838,053.91 : x
  2. Step 2: Convert to fraction form
    12,730,009.62/17,567,793.47 = 7,838,053.91/x
  3. Step 3: Cross multiply
    12,730,009.62x = 17,567,793.47 × 7,838,053.91
  4. Step 4: Simplify right side
    12,730,009.62x = 137,697,312,170,576.73
  5. Step 5: Solve for x
    x = 137,697,312,170,576.73/12,730,009.62
  6. Step 6: Final answer
    x = 10,816,748.48

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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.