Home / 20,894,031.01-28,833,762.65-11,726,673.76

Finding the Fourth Proportional to 20,894,031.01, 28,833,762.65 and 11,726,673.76

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Solution

The fourth proportional to 20,894,031.01, 28,833,762.65 and 11,726,673.76 is: 16,182,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894,031.01 : 28,833,762.65 = 11,726,673.76 : x
  2. Step 2: Convert to fraction form
    20,894,031.01/28,833,762.65 = 11,726,673.76/x
  3. Step 3: Cross multiply
    20,894,031.01x = 28,833,762.65 × 11,726,673.76
  4. Step 4: Simplify right side
    20,894,031.01x = 338,124,127,685,042
  5. Step 5: Solve for x
    x = 338,124,127,685,042/20,894,031.01
  6. Step 6: Final answer
    x = 16,182,809.70

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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.