Home / 31,248,005.20-46,872,007.80-8,218,895.20

Finding the Fourth Proportional to 31,248,005.20, 46,872,007.80 and 8,218,895.20

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Solution

The fourth proportional to 31,248,005.20, 46,872,007.80 and 8,218,895.20 is: 12,328,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248,005.20 : 46,872,007.80 = 8,218,895.20 : x
  2. Step 2: Convert to fraction form
    31,248,005.20/46,872,007.80 = 8,218,895.20/x
  3. Step 3: Cross multiply
    31,248,005.20x = 46,872,007.80 × 8,218,895.20
  4. Step 4: Simplify right side
    31,248,005.20x = 385,236,119,921,782.56
  5. Step 5: Solve for x
    x = 385,236,119,921,782.56/31,248,005.20
  6. Step 6: Final answer
    x = 12,328,342.80

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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.