Home / 31,248,009.70-46,872,014.55-8,218,899.70

Finding the Fourth Proportional to 31,248,009.70, 46,872,014.55 and 8,218,899.70

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Solution

The fourth proportional to 31,248,009.70, 46,872,014.55 and 8,218,899.70 is: 12,328,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248,009.70 : 46,872,014.55 = 8,218,899.70 : x
  2. Step 2: Convert to fraction form
    31,248,009.70/46,872,014.55 = 8,218,899.70/x
  3. Step 3: Cross multiply
    31,248,009.70x = 46,872,014.55 × 8,218,899.70
  4. Step 4: Simplify right side
    31,248,009.70x = 385,236,386,323,390.62
  5. Step 5: Solve for x
    x = 385,236,386,323,390.62/31,248,009.70
  6. Step 6: Final answer
    x = 12,328,349.55

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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.