Home / 10,543,123.23-15,796,631.16-5,754,172.79

Finding the Fourth Proportional to 10,543,123.23, 15,796,631.16 and 5,754,172.79

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Solution

The fourth proportional to 10,543,123.23, 15,796,631.16 and 5,754,172.79 is: 8,621,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543,123.23 : 15,796,631.16 = 5,754,172.79 : x
  2. Step 2: Convert to fraction form
    10,543,123.23/15,796,631.16 = 5,754,172.79/x
  3. Step 3: Cross multiply
    10,543,123.23x = 15,796,631.16 × 5,754,172.79
  4. Step 4: Simplify right side
    10,543,123.23x = 90,896,545,115,554.98
  5. Step 5: Solve for x
    x = 90,896,545,115,554.98/10,543,123.23
  6. Step 6: Final answer
    x = 8,621,405.93

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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.