Home / 31,628,200.80-47,450,077.20-8,908,802.40

Finding the Fourth Proportional to 31,628,200.80, 47,450,077.20 and 8,908,802.40

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Solution

The fourth proportional to 31,628,200.80, 47,450,077.20 and 8,908,802.40 is: 13,365,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628,200.80 : 47,450,077.20 = 8,908,802.40 : x
  2. Step 2: Convert to fraction form
    31,628,200.80/47,450,077.20 = 8,908,802.40/x
  3. Step 3: Cross multiply
    31,628,200.80x = 47,450,077.20 × 8,908,802.40
  4. Step 4: Simplify right side
    31,628,200.80x = 422,723,361,639,545.31
  5. Step 5: Solve for x
    x = 422,723,361,639,545.31/31,628,200.80
  6. Step 6: Final answer
    x = 13,365,393.89

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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.