Home / 31,775,312.80-47,662,969.20-8,746,202.80

Finding the Fourth Proportional to 31,775,312.80, 47,662,969.20 and 8,746,202.80

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Solution

The fourth proportional to 31,775,312.80, 47,662,969.20 and 8,746,202.80 is: 13,119,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,775,312.80 : 47,662,969.20 = 8,746,202.80 : x
  2. Step 2: Convert to fraction form
    31,775,312.80/47,662,969.20 = 8,746,202.80/x
  3. Step 3: Cross multiply
    31,775,312.80x = 47,662,969.20 × 8,746,202.80
  4. Step 4: Simplify right side
    31,775,312.80x = 416,869,994,673,353.81
  5. Step 5: Solve for x
    x = 416,869,994,673,353.81/31,775,312.80
  6. Step 6: Final answer
    x = 13,119,304.20

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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.