Home / 18,689,071.10-25,790,922.89-10,316,445.65

Finding the Fourth Proportional to 18,689,071.10, 25,790,922.89 and 10,316,445.65

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Solution

The fourth proportional to 18,689,071.10, 25,790,922.89 and 10,316,445.65 is: 14,236,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,071.10 : 25,790,922.89 = 10,316,445.65 : x
  2. Step 2: Convert to fraction form
    18,689,071.10/25,790,922.89 = 10,316,445.65/x
  3. Step 3: Cross multiply
    18,689,071.10x = 25,790,922.89 × 10,316,445.65
  4. Step 4: Simplify right side
    18,689,071.10x = 266,070,654,258,025.94
  5. Step 5: Solve for x
    x = 266,070,654,258,025.94/18,689,071.10
  6. Step 6: Final answer
    x = 14,236,697.63

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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.