Home / 13,079,566.98-18,039,577.77-8,497,364.58

Finding the Fourth Proportional to 13,079,566.98, 18,039,577.77 and 8,497,364.58

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Solution

The fourth proportional to 13,079,566.98, 18,039,577.77 and 8,497,364.58 is: 11,719,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079,566.98 : 18,039,577.77 = 8,497,364.58 : x
  2. Step 2: Convert to fraction form
    13,079,566.98/18,039,577.77 = 8,497,364.58/x
  3. Step 3: Cross multiply
    13,079,566.98x = 18,039,577.77 × 8,497,364.58
  4. Step 4: Simplify right side
    13,079,566.98x = 153,288,869,180,953.38
  5. Step 5: Solve for x
    x = 153,288,869,180,953.38/13,079,566.98
  6. Step 6: Final answer
    x = 11,719,720.49

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Similar ratio
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1.5x scale

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.