Home / 38,351,931.84-52,925,605.92-20,948,276.88

Finding the Fourth Proportional to 38,351,931.84, 52,925,605.92 and 20,948,276.88

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Solution

The fourth proportional to 38,351,931.84, 52,925,605.92 and 20,948,276.88 is: 28,908,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351,931.84 : 52,925,605.92 = 20,948,276.88 : x
  2. Step 2: Convert to fraction form
    38,351,931.84/52,925,605.92 = 20,948,276.88/x
  3. Step 3: Cross multiply
    38,351,931.84x = 52,925,605.92 × 20,948,276.88
  4. Step 4: Simplify right side
    38,351,931.84x = 1,108,700,246,853,927.12
  5. Step 5: Solve for x
    x = 1,108,700,246,853,927.12/38,351,931.84
  6. Step 6: Final answer
    x = 28,908,589.31

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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.