Home / 38,311,925.80-52,869,719.85-20,908,395.58

Finding the Fourth Proportional to 38,311,925.80, 52,869,719.85 and 20,908,395.58

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Solution

The fourth proportional to 38,311,925.80, 52,869,719.85 and 20,908,395.58 is: 28,853,183.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311,925.80 : 52,869,719.85 = 20,908,395.58 : x
  2. Step 2: Convert to fraction form
    38,311,925.80/52,869,719.85 = 20,908,395.58/x
  3. Step 3: Cross multiply
    38,311,925.80x = 52,869,719.85 × 20,908,395.58
  4. Step 4: Simplify right side
    38,311,925.80x = 1,105,421,016,827,578.25
  5. Step 5: Solve for x
    x = 1,105,421,016,827,578.25/38,311,925.80
  6. Step 6: Final answer
    x = 28,853,183.28

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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.