Home / 13,853,841.28-19,119,149.76-7,742,757.76

Finding the Fourth Proportional to 13,853,841.28, 19,119,149.76 and 7,742,757.76

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Solution

The fourth proportional to 13,853,841.28, 19,119,149.76 and 7,742,757.76 is: 10,685,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,841.28 : 19,119,149.76 = 7,742,757.76 : x
  2. Step 2: Convert to fraction form
    13,853,841.28/19,119,149.76 = 7,742,757.76/x
  3. Step 3: Cross multiply
    13,853,841.28x = 19,119,149.76 × 7,742,757.76
  4. Step 4: Simplify right side
    13,853,841.28x = 148,034,945,168,842.16
  5. Step 5: Solve for x
    x = 148,034,945,168,842.16/13,853,841.28
  6. Step 6: Final answer
    x = 10,685,480.09

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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.