Home / 15,840,585.94-21,869,881.60-10,887,555.82

Finding the Fourth Proportional to 15,840,585.94, 21,869,881.60 and 10,887,555.82

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Solution

The fourth proportional to 15,840,585.94, 21,869,881.60 and 10,887,555.82 is: 15,031,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840,585.94 : 21,869,881.60 = 10,887,555.82 : x
  2. Step 2: Convert to fraction form
    15,840,585.94/21,869,881.60 = 10,887,555.82/x
  3. Step 3: Cross multiply
    15,840,585.94x = 21,869,881.60 × 10,887,555.82
  4. Step 4: Simplify right side
    15,840,585.94x = 238,109,556,696,790.94
  5. Step 5: Solve for x
    x = 238,109,556,696,790.94/15,840,585.94
  6. Step 6: Final answer
    x = 15,031,612.95

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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.