Home / 15,845,703.39-21,867,161.63-9,319,607.91

Finding the Fourth Proportional to 15,845,703.39, 21,867,161.63 and 9,319,607.91

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Solution

The fourth proportional to 15,845,703.39, 21,867,161.63 and 9,319,607.91 is: 12,861,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845,703.39 : 21,867,161.63 = 9,319,607.91 : x
  2. Step 2: Convert to fraction form
    15,845,703.39/21,867,161.63 = 9,319,607.91/x
  3. Step 3: Cross multiply
    15,845,703.39x = 21,867,161.63 × 9,319,607.91
  4. Step 4: Simplify right side
    15,845,703.39x = 203,793,372,449,598.47
  5. Step 5: Solve for x
    x = 203,793,372,449,598.47/15,845,703.39
  6. Step 6: Final answer
    x = 12,861,112.41

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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.