Home / 51,979,722.96-71,732,863.44-28,457,862.72

Finding the Fourth Proportional to 51,979,722.96, 71,732,863.44 and 28,457,862.72

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Solution

The fourth proportional to 51,979,722.96, 71,732,863.44 and 28,457,862.72 is: 39,272,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,979,722.96 : 71,732,863.44 = 28,457,862.72 : x
  2. Step 2: Convert to fraction form
    51,979,722.96/71,732,863.44 = 28,457,862.72/x
  3. Step 3: Cross multiply
    51,979,722.96x = 71,732,863.44 × 28,457,862.72
  4. Step 4: Simplify right side
    51,979,722.96x = 2,041,363,980,288,026.75
  5. Step 5: Solve for x
    x = 2,041,363,980,288,026.75/51,979,722.96
  6. Step 6: Final answer
    x = 39,272,313.59

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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.