Home / 13,488,461.80-18,614,064.13-7,293,493.68

Finding the Fourth Proportional to 13,488,461.80, 18,614,064.13 and 7,293,493.68

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Solution

The fourth proportional to 13,488,461.80, 18,614,064.13 and 7,293,493.68 is: 10,065,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,461.80 : 18,614,064.13 = 7,293,493.68 : x
  2. Step 2: Convert to fraction form
    13,488,461.80/18,614,064.13 = 7,293,493.68/x
  3. Step 3: Cross multiply
    13,488,461.80x = 18,614,064.13 × 7,293,493.68
  4. Step 4: Simplify right side
    13,488,461.80x = 135,761,559,003,233.22
  5. Step 5: Solve for x
    x = 135,761,559,003,233.22/13,488,461.80
  6. Step 6: Final answer
    x = 10,065,014.16

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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.