Home / 11,411,471.57-15,749,445.66-7,061,959.08

Finding the Fourth Proportional to 11,411,471.57, 15,749,445.66 and 7,061,959.08

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Solution

The fourth proportional to 11,411,471.57, 15,749,445.66 and 7,061,959.08 is: 9,746,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411,471.57 : 15,749,445.66 = 7,061,959.08 : x
  2. Step 2: Convert to fraction form
    11,411,471.57/15,749,445.66 = 7,061,959.08/x
  3. Step 3: Cross multiply
    11,411,471.57x = 15,749,445.66 × 7,061,959.08
  4. Step 4: Simplify right side
    11,411,471.57x = 111,221,940,869,146.36
  5. Step 5: Solve for x
    x = 111,221,940,869,146.36/11,411,471.57
  6. Step 6: Final answer
    x = 9,746,502.91

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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.