Home / 13,332,390.89-18,398,642.67-7,452,017.28

Finding the Fourth Proportional to 13,332,390.89, 18,398,642.67 and 7,452,017.28

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Solution

The fourth proportional to 13,332,390.89, 18,398,642.67 and 7,452,017.28 is: 10,283,752.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332,390.89 : 18,398,642.67 = 7,452,017.28 : x
  2. Step 2: Convert to fraction form
    13,332,390.89/18,398,642.67 = 7,452,017.28/x
  3. Step 3: Cross multiply
    13,332,390.89x = 18,398,642.67 × 7,452,017.28
  4. Step 4: Simplify right side
    13,332,390.89x = 137,107,003,105,385.36
  5. Step 5: Solve for x
    x = 137,107,003,105,385.36/13,332,390.89
  6. Step 6: Final answer
    x = 10,283,752.12

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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.