Home / 28,292,676.40-42,445,650.12-11,254,319.92

Finding the Fourth Proportional to 28,292,676.40, 42,445,650.12 and 11,254,319.92

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Solution

The fourth proportional to 28,292,676.40, 42,445,650.12 and 11,254,319.92 is: 16,884,119.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292,676.40 : 42,445,650.12 = 11,254,319.92 : x
  2. Step 2: Convert to fraction form
    28,292,676.40/42,445,650.12 = 11,254,319.92/x
  3. Step 3: Cross multiply
    28,292,676.40x = 42,445,650.12 × 11,254,319.92
  4. Step 4: Simplify right side
    28,292,676.40x = 477,696,925,662,866.38
  5. Step 5: Solve for x
    x = 477,696,925,662,866.38/28,292,676.40
  6. Step 6: Final answer
    x = 16,884,119.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.