Home / 15,323,718.84-21,146,725.17-8,797,769.16

Finding the Fourth Proportional to 15,323,718.84, 21,146,725.17 and 8,797,769.16

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Solution

The fourth proportional to 15,323,718.84, 21,146,725.17 and 8,797,769.16 is: 12,140,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323,718.84 : 21,146,725.17 = 8,797,769.16 : x
  2. Step 2: Convert to fraction form
    15,323,718.84/21,146,725.17 = 8,797,769.16/x
  3. Step 3: Cross multiply
    15,323,718.84x = 21,146,725.17 × 8,797,769.16
  4. Step 4: Simplify right side
    15,323,718.84x = 186,044,006,535,621.78
  5. Step 5: Solve for x
    x = 186,044,006,535,621.78/15,323,718.84
  6. Step 6: Final answer
    x = 12,140,917.52

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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.