Home / 28,355,959.76-39,126,062.76-15,964,126.16

Finding the Fourth Proportional to 28,355,959.76, 39,126,062.76 and 15,964,126.16

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Solution

The fourth proportional to 28,355,959.76, 39,126,062.76 and 15,964,126.16 is: 22,027,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355,959.76 : 39,126,062.76 = 15,964,126.16 : x
  2. Step 2: Convert to fraction form
    28,355,959.76/39,126,062.76 = 15,964,126.16/x
  3. Step 3: Cross multiply
    28,355,959.76x = 39,126,062.76 × 15,964,126.16
  4. Step 4: Simplify right side
    28,355,959.76x = 624,613,402,044,717.75
  5. Step 5: Solve for x
    x = 624,613,402,044,717.75/28,355,959.76
  6. Step 6: Final answer
    x = 22,027,588.11

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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.