Home / 12,935,137.34-17,851,562.60-7,429,574.65

Finding the Fourth Proportional to 12,935,137.34, 17,851,562.60 and 7,429,574.65

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Solution

The fourth proportional to 12,935,137.34, 17,851,562.60 and 7,429,574.65 is: 10,253,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935,137.34 : 17,851,562.60 = 7,429,574.65 : x
  2. Step 2: Convert to fraction form
    12,935,137.34/17,851,562.60 = 7,429,574.65/x
  3. Step 3: Cross multiply
    12,935,137.34x = 17,851,562.60 × 7,429,574.65
  4. Step 4: Simplify right side
    12,935,137.34x = 132,629,516,963,329.11
  5. Step 5: Solve for x
    x = 132,629,516,963,329.11/12,935,137.34
  6. Step 6: Final answer
    x = 10,253,429.36

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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.