Home / 52,398,279.81-72,310,120.74-28,877,676.86

Finding the Fourth Proportional to 52,398,279.81, 72,310,120.74 and 28,877,676.86

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Solution

The fourth proportional to 52,398,279.81, 72,310,120.74 and 28,877,676.86 is: 39,851,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,398,279.81 : 72,310,120.74 = 28,877,676.86 : x
  2. Step 2: Convert to fraction form
    52,398,279.81/72,310,120.74 = 28,877,676.86/x
  3. Step 3: Cross multiply
    52,398,279.81x = 72,310,120.74 × 28,877,676.86
  4. Step 4: Simplify right side
    52,398,279.81x = 2,088,148,300,618,079.25
  5. Step 5: Solve for x
    x = 2,088,148,300,618,079.25/52,398,279.81
  6. Step 6: Final answer
    x = 39,851,466.65

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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.