Home / 15,157,458.76-20,917,574.58-8,282,386.12

Finding the Fourth Proportional to 15,157,458.76, 20,917,574.58 and 8,282,386.12

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Solution

The fourth proportional to 15,157,458.76, 20,917,574.58 and 8,282,386.12 is: 11,429,846.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157,458.76 : 20,917,574.58 = 8,282,386.12 : x
  2. Step 2: Convert to fraction form
    15,157,458.76/20,917,574.58 = 8,282,386.12/x
  3. Step 3: Cross multiply
    15,157,458.76x = 20,917,574.58 × 8,282,386.12
  4. Step 4: Simplify right side
    15,157,458.76x = 173,247,429,365,456.81
  5. Step 5: Solve for x
    x = 173,247,429,365,456.81/15,157,458.76
  6. Step 6: Final answer
    x = 11,429,846.66

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Double scale
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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.