Home / 15,037,394.66-20,751,048.69-8,161,730.18

Finding the Fourth Proportional to 15,037,394.66, 20,751,048.69 and 8,161,730.18

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Solution

The fourth proportional to 15,037,394.66, 20,751,048.69 and 8,161,730.18 is: 11,262,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,394.66 : 20,751,048.69 = 8,161,730.18 : x
  2. Step 2: Convert to fraction form
    15,037,394.66/20,751,048.69 = 8,161,730.18/x
  3. Step 3: Cross multiply
    15,037,394.66x = 20,751,048.69 × 8,161,730.18
  4. Step 4: Simplify right side
    15,037,394.66x = 169,364,460,359,822.47
  5. Step 5: Solve for x
    x = 169,364,460,359,822.47/15,037,394.66
  6. Step 6: Final answer
    x = 11,262,885.90

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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.