Home / 15,482,725.52-21,365,324.52-8,606,719.76

Finding the Fourth Proportional to 15,482,725.52, 21,365,324.52 and 8,606,719.76

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Solution

The fourth proportional to 15,482,725.52, 21,365,324.52 and 8,606,719.76 is: 11,876,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482,725.52 : 21,365,324.52 = 8,606,719.76 : x
  2. Step 2: Convert to fraction form
    15,482,725.52/21,365,324.52 = 8,606,719.76/x
  3. Step 3: Cross multiply
    15,482,725.52x = 21,365,324.52 × 8,606,719.76
  4. Step 4: Simplify right side
    15,482,725.52x = 183,885,360,725,096.50
  5. Step 5: Solve for x
    x = 183,885,360,725,096.50/15,482,725.52
  6. Step 6: Final answer
    x = 11,876,808.16

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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.