Home / 9,641,947.79-13,306,091.18-5,290,996.04

Finding the Fourth Proportional to 9,641,947.79, 13,306,091.18 and 5,290,996.04

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Solution

The fourth proportional to 9,641,947.79, 13,306,091.18 and 5,290,996.04 is: 7,301,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,641,947.79 : 13,306,091.18 = 5,290,996.04 : x
  2. Step 2: Convert to fraction form
    9,641,947.79/13,306,091.18 = 5,290,996.04/x
  3. Step 3: Cross multiply
    9,641,947.79x = 13,306,091.18 × 5,290,996.04
  4. Step 4: Simplify right side
    9,641,947.79x = 70,402,475,727,933.19
  5. Step 5: Solve for x
    x = 70,402,475,727,933.19/9,641,947.79
  6. Step 6: Final answer
    x = 7,301,686.05

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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.