Home / 12,929,407.39-17,842,576.47-7,423,137.35

Finding the Fourth Proportional to 12,929,407.39, 17,842,576.47 and 7,423,137.35

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Solution

The fourth proportional to 12,929,407.39, 17,842,576.47 and 7,423,137.35 is: 10,243,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,407.39 : 17,842,576.47 = 7,423,137.35 : x
  2. Step 2: Convert to fraction form
    12,929,407.39/17,842,576.47 = 7,423,137.35/x
  3. Step 3: Cross multiply
    12,929,407.39x = 17,842,576.47 × 7,423,137.35
  4. Step 4: Simplify right side
    12,929,407.39x = 132,447,895,756,119.30
  5. Step 5: Solve for x
    x = 132,447,895,756,119.30/12,929,407.39
  6. Step 6: Final answer
    x = 10,243,926.25

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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.