Home / 12,926,508.15-17,838,576.90-7,125,386.79

Finding the Fourth Proportional to 12,926,508.15, 17,838,576.90 and 7,125,386.79

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Solution

The fourth proportional to 12,926,508.15, 17,838,576.90 and 7,125,386.79 is: 9,833,031.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926,508.15 : 17,838,576.90 = 7,125,386.79 : x
  2. Step 2: Convert to fraction form
    12,926,508.15/17,838,576.90 = 7,125,386.79/x
  3. Step 3: Cross multiply
    12,926,508.15x = 17,838,576.90 × 7,125,386.79
  4. Step 4: Simplify right side
    12,926,508.15x = 127,106,760,195,659.14
  5. Step 5: Solve for x
    x = 127,106,760,195,659.14/12,926,508.15
  6. Step 6: Final answer
    x = 9,833,031.37

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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.