Home / 21,480,378.56-32,217,367.44-7,103,521.52

Finding the Fourth Proportional to 21,480,378.56, 32,217,367.44 and 7,103,521.52

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Solution

The fourth proportional to 21,480,378.56, 32,217,367.44 and 7,103,521.52 is: 10,654,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,480,378.56 : 32,217,367.44 = 7,103,521.52 : x
  2. Step 2: Convert to fraction form
    21,480,378.56/32,217,367.44 = 7,103,521.52/x
  3. Step 3: Cross multiply
    21,480,378.56x = 32,217,367.44 × 7,103,521.52
  4. Step 4: Simplify right side
    21,480,378.56x = 228,856,762,927,787.31
  5. Step 5: Solve for x
    x = 228,856,762,927,787.31/21,480,378.56
  6. Step 6: Final answer
    x = 10,654,223.91

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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.