Home / 37,894,979.63-52,295,384.61-20,921,805.90

Finding the Fourth Proportional to 37,894,979.63, 52,295,384.61 and 20,921,805.90

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Solution

The fourth proportional to 37,894,979.63, 52,295,384.61 and 20,921,805.90 is: 28,872,264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,894,979.63 : 52,295,384.61 = 20,921,805.90 : x
  2. Step 2: Convert to fraction form
    37,894,979.63/52,295,384.61 = 20,921,805.90/x
  3. Step 3: Cross multiply
    37,894,979.63x = 52,295,384.61 × 20,921,805.90
  4. Step 4: Simplify right side
    37,894,979.63x = 1,094,113,886,217,435
  5. Step 5: Solve for x
    x = 1,094,113,886,217,435/37,894,979.63
  6. Step 6: Final answer
    x = 28,872,264.79

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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.