Home / 9,965,309.65-13,752,127.42-5,381,631.02

Finding the Fourth Proportional to 9,965,309.65, 13,752,127.42 and 5,381,631.02

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Solution

The fourth proportional to 9,965,309.65, 13,752,127.42 and 5,381,631.02 is: 7,426,650.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,309.65 : 13,752,127.42 = 5,381,631.02 : x
  2. Step 2: Convert to fraction form
    9,965,309.65/13,752,127.42 = 5,381,631.02/x
  3. Step 3: Cross multiply
    9,965,309.65x = 13,752,127.42 × 5,381,631.02
  4. Step 4: Simplify right side
    9,965,309.65x = 74,008,875,535,390.81
  5. Step 5: Solve for x
    x = 74,008,875,535,390.81/9,965,309.65
  6. Step 6: Final answer
    x = 7,426,650.87

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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.