Home / 7,047,047.52-9,724,916.16-3,991,849.92

Finding the Fourth Proportional to 7,047,047.52, 9,724,916.16 and 3,991,849.92

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Solution

The fourth proportional to 7,047,047.52, 9,724,916.16 and 3,991,849.92 is: 5,508,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,047.52 : 9,724,916.16 = 3,991,849.92 : x
  2. Step 2: Convert to fraction form
    7,047,047.52/9,724,916.16 = 3,991,849.92/x
  3. Step 3: Cross multiply
    7,047,047.52x = 9,724,916.16 × 3,991,849.92
  4. Step 4: Simplify right side
    7,047,047.52x = 38,820,405,795,302.71
  5. Step 5: Solve for x
    x = 38,820,405,795,302.71/7,047,047.52
  6. Step 6: Final answer
    x = 5,508,747.55

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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.