Home / 12,730,009.37-17,567,793.12-7,838,053.66

Finding the Fourth Proportional to 12,730,009.37, 17,567,793.12 and 7,838,053.66

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Solution

The fourth proportional to 12,730,009.37, 17,567,793.12 and 7,838,053.66 is: 10,816,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730,009.37 : 17,567,793.12 = 7,838,053.66 : x
  2. Step 2: Convert to fraction form
    12,730,009.37/17,567,793.12 = 7,838,053.66/x
  3. Step 3: Cross multiply
    12,730,009.37x = 17,567,793.12 × 7,838,053.66
  4. Step 4: Simplify right side
    12,730,009.37x = 137,697,305,035,309.58
  5. Step 5: Solve for x
    x = 137,697,305,035,309.58/12,730,009.37
  6. Step 6: Final answer
    x = 10,816,748.13

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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.