Home / 9,979,244.80-14,946,748.80-7,728,083.20

Finding the Fourth Proportional to 9,979,244.80, 14,946,748.80 and 7,728,083.20

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Solution

The fourth proportional to 9,979,244.80, 14,946,748.80 and 7,728,083.20 is: 11,574,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,244.80 : 14,946,748.80 = 7,728,083.20 : x
  2. Step 2: Convert to fraction form
    9,979,244.80/14,946,748.80 = 7,728,083.20/x
  3. Step 3: Cross multiply
    9,979,244.80x = 14,946,748.80 × 7,728,083.20
  4. Step 4: Simplify right side
    9,979,244.80x = 115,509,718,295,900.17
  5. Step 5: Solve for x
    x = 115,509,718,295,900.17/9,979,244.80
  6. Step 6: Final answer
    x = 11,574,995.97

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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.