Home / 38,311,929.94-52,869,725.55-20,908,399.71

Finding the Fourth Proportional to 38,311,929.94, 52,869,725.55 and 20,908,399.71

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Solution

The fourth proportional to 38,311,929.94, 52,869,725.55 and 20,908,399.71 is: 28,853,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311,929.94 : 52,869,725.55 = 20,908,399.71 : x
  2. Step 2: Convert to fraction form
    38,311,929.94/52,869,725.55 = 20,908,399.71/x
  3. Step 3: Cross multiply
    38,311,929.94x = 52,869,725.55 × 20,908,399.71
  4. Step 4: Simplify right side
    38,311,929.94x = 1,105,421,353,988,508.88
  5. Step 5: Solve for x
    x = 1,105,421,353,988,508.88/38,311,929.94
  6. Step 6: Final answer
    x = 28,853,188.96

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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.