Home / 12,995,450.50-17,933,011.20-7,113,946.92

Finding the Fourth Proportional to 12,995,450.50, 17,933,011.20 and 7,113,946.92

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Solution

The fourth proportional to 12,995,450.50, 17,933,011.20 and 7,113,946.92 is: 9,816,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995,450.50 : 17,933,011.20 = 7,113,946.92 : x
  2. Step 2: Convert to fraction form
    12,995,450.50/17,933,011.20 = 7,113,946.92/x
  3. Step 3: Cross multiply
    12,995,450.50x = 17,933,011.20 × 7,113,946.92
  4. Step 4: Simplify right side
    12,995,450.50x = 127,574,489,792,565.50
  5. Step 5: Solve for x
    x = 127,574,489,792,565.50/12,995,450.50
  6. Step 6: Final answer
    x = 9,816,857.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.