Home / 12,655,316.88-17,464,237.20-6,853,965.12

Finding the Fourth Proportional to 12,655,316.88, 17,464,237.20 and 6,853,965.12

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Solution

The fourth proportional to 12,655,316.88, 17,464,237.20 and 6,853,965.12 is: 9,458,417.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655,316.88 : 17,464,237.20 = 6,853,965.12 : x
  2. Step 2: Convert to fraction form
    12,655,316.88/17,464,237.20 = 6,853,965.12/x
  3. Step 3: Cross multiply
    12,655,316.88x = 17,464,237.20 × 6,853,965.12
  4. Step 4: Simplify right side
    12,655,316.88x = 119,699,272,616,206.45
  5. Step 5: Solve for x
    x = 119,699,272,616,206.45/12,655,316.88
  6. Step 6: Final answer
    x = 9,458,417.66

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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.