Home / 11,129,618.80-16,694,428.20-9,617,964.40

Finding the Fourth Proportional to 11,129,618.80, 16,694,428.20 and 9,617,964.40

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Solution

The fourth proportional to 11,129,618.80, 16,694,428.20 and 9,617,964.40 is: 14,426,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129,618.80 : 16,694,428.20 = 9,617,964.40 : x
  2. Step 2: Convert to fraction form
    11,129,618.80/16,694,428.20 = 9,617,964.40/x
  3. Step 3: Cross multiply
    11,129,618.80x = 16,694,428.20 × 9,617,964.40
  4. Step 4: Simplify right side
    11,129,618.80x = 160,566,416,105,956.09
  5. Step 5: Solve for x
    x = 160,566,416,105,956.09/11,129,618.80
  6. Step 6: Final answer
    x = 14,426,946.60

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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.