Home / 18,386,855.71-25,375,013.23-10,126,916.35

Finding the Fourth Proportional to 18,386,855.71, 25,375,013.23 and 10,126,916.35

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Solution

The fourth proportional to 18,386,855.71, 25,375,013.23 and 10,126,916.35 is: 13,975,779.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386,855.71 : 25,375,013.23 = 10,126,916.35 : x
  2. Step 2: Convert to fraction form
    18,386,855.71/25,375,013.23 = 10,126,916.35/x
  3. Step 3: Cross multiply
    18,386,855.71x = 25,375,013.23 × 10,126,916.35
  4. Step 4: Simplify right side
    18,386,855.71x = 256,970,636,360,353.31
  5. Step 5: Solve for x
    x = 256,970,636,360,353.31/18,386,855.71
  6. Step 6: Final answer
    x = 13,975,779.24

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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.