Home / 25,791,077.68-38,685,216.72-7,838,782

Finding the Fourth Proportional to 25,791,077.68, 38,685,216.72 and 7,838,782

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Solution

The fourth proportional to 25,791,077.68, 38,685,216.72 and 7,838,782 is: 11,757,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,791,077.68 : 38,685,216.72 = 7,838,782 : x
  2. Step 2: Convert to fraction form
    25,791,077.68/38,685,216.72 = 7,838,782/x
  3. Step 3: Cross multiply
    25,791,077.68x = 38,685,216.72 × 7,838,782
  4. Step 4: Simplify right side
    25,791,077.68x = 303,244,980,490,835
  5. Step 5: Solve for x
    x = 303,244,980,490,835/25,791,077.68
  6. Step 6: Final answer
    x = 11,757,747.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.