Home / 12,730,054.31-17,567,855.21-7,838,098.73

Finding the Fourth Proportional to 12,730,054.31, 17,567,855.21 and 7,838,098.73

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Solution

The fourth proportional to 12,730,054.31, 17,567,855.21 and 7,838,098.73 is: 10,816,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730,054.31 : 17,567,855.21 = 7,838,098.73 : x
  2. Step 2: Convert to fraction form
    12,730,054.31/17,567,855.21 = 7,838,098.73/x
  3. Step 3: Cross multiply
    12,730,054.31x = 17,567,855.21 × 7,838,098.73
  4. Step 4: Simplify right side
    12,730,054.31x = 137,698,583,610,324.89
  5. Step 5: Solve for x
    x = 137,698,583,610,324.89/12,730,054.31
  6. Step 6: Final answer
    x = 10,816,810.38

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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.