Home / 13,641,956.55-18,826,345.61-7,447,333.55

Finding the Fourth Proportional to 13,641,956.55, 18,826,345.61 and 7,447,333.55

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Solution

The fourth proportional to 13,641,956.55, 18,826,345.61 and 7,447,333.55 is: 10,277,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641,956.55 : 18,826,345.61 = 7,447,333.55 : x
  2. Step 2: Convert to fraction form
    13,641,956.55/18,826,345.61 = 7,447,333.55/x
  3. Step 3: Cross multiply
    13,641,956.55x = 18,826,345.61 × 7,447,333.55
  4. Step 4: Simplify right side
    13,641,956.55x = 140,206,075,350,932.42
  5. Step 5: Solve for x
    x = 140,206,075,350,932.42/13,641,956.55
  6. Step 6: Final answer
    x = 10,277,563.55

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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.