Home / 7,088,983.96-9,781,507.40-3,991,025.56

Finding the Fourth Proportional to 7,088,983.96, 9,781,507.40 and 3,991,025.56

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Solution

The fourth proportional to 7,088,983.96, 9,781,507.40 and 3,991,025.56 is: 5,506,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088,983.96 : 9,781,507.40 = 3,991,025.56 : x
  2. Step 2: Convert to fraction form
    7,088,983.96/9,781,507.40 = 3,991,025.56/x
  3. Step 3: Cross multiply
    7,088,983.96x = 9,781,507.40 × 3,991,025.56
  4. Step 4: Simplify right side
    7,088,983.96x = 39,038,246,048,729.15
  5. Step 5: Solve for x
    x = 39,038,246,048,729.15/7,088,983.96
  6. Step 6: Final answer
    x = 5,506,888.75

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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.