Home / 51,979,415.46-71,732,160.20-28,774,929.92

Finding the Fourth Proportional to 51,979,415.46, 71,732,160.20 and 28,774,929.92

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Solution

The fourth proportional to 51,979,415.46, 71,732,160.20 and 28,774,929.92 is: 39,709,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,979,415.46 : 71,732,160.20 = 28,774,929.92 : x
  2. Step 2: Convert to fraction form
    51,979,415.46/71,732,160.20 = 28,774,929.92/x
  3. Step 3: Cross multiply
    51,979,415.46x = 71,732,160.20 × 28,774,929.92
  4. Step 4: Simplify right side
    51,979,415.46x = 2,064,087,882,765,213.50
  5. Step 5: Solve for x
    x = 2,064,087,882,765,213.50/51,979,415.46
  6. Step 6: Final answer
    x = 39,709,717.10

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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.