Home / 13,853,843.28-19,119,152.52-7,742,759.76

Finding the Fourth Proportional to 13,853,843.28, 19,119,152.52 and 7,742,759.76

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Solution

The fourth proportional to 13,853,843.28, 19,119,152.52 and 7,742,759.76 is: 10,685,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,843.28 : 19,119,152.52 = 7,742,759.76 : x
  2. Step 2: Convert to fraction form
    13,853,843.28/19,119,152.52 = 7,742,759.76/x
  3. Step 3: Cross multiply
    13,853,843.28x = 19,119,152.52 × 7,742,759.76
  4. Step 4: Simplify right side
    13,853,843.28x = 148,035,004,777,158.59
  5. Step 5: Solve for x
    x = 148,035,004,777,158.59/13,853,843.28
  6. Step 6: Final answer
    x = 10,685,482.85

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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.