Home / 31,005,466.20-46,508,199.30-21,758,392.80

Finding the Fourth Proportional to 31,005,466.20, 46,508,199.30 and 21,758,392.80

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Solution

The fourth proportional to 31,005,466.20, 46,508,199.30 and 21,758,392.80 is: 32,637,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,005,466.20 : 46,508,199.30 = 21,758,392.80 : x
  2. Step 2: Convert to fraction form
    31,005,466.20/46,508,199.30 = 21,758,392.80/x
  3. Step 3: Cross multiply
    31,005,466.20x = 46,508,199.30 × 21,758,392.80
  4. Step 4: Simplify right side
    31,005,466.20x = 1,011,943,668,790,085
  5. Step 5: Solve for x
    x = 1,011,943,668,790,085/31,005,466.20
  6. Step 6: Final answer
    x = 32,637,589.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.