Home / 12,215,054.52-16,863,319.26-9,418,068.60

Finding the Fourth Proportional to 12,215,054.52, 16,863,319.26 and 9,418,068.60

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Solution

The fourth proportional to 12,215,054.52, 16,863,319.26 and 9,418,068.60 is: 13,001,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,054.52 : 16,863,319.26 = 9,418,068.60 : x
  2. Step 2: Convert to fraction form
    12,215,054.52/16,863,319.26 = 9,418,068.60/x
  3. Step 3: Cross multiply
    12,215,054.52x = 16,863,319.26 × 9,418,068.60
  4. Step 4: Simplify right side
    12,215,054.52x = 158,819,897,614,381.25
  5. Step 5: Solve for x
    x = 158,819,897,614,381.25/12,215,054.52
  6. Step 6: Final answer
    x = 13,001,980.25

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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.