Home / 40,865,147.37-61,312,667.86-19,015,947.13

Finding the Fourth Proportional to 40,865,147.37, 61,312,667.86 and 19,015,947.13

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Solution

The fourth proportional to 40,865,147.37, 61,312,667.86 and 19,015,947.13 is: 28,530,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,865,147.37 : 61,312,667.86 = 19,015,947.13 : x
  2. Step 2: Convert to fraction form
    40,865,147.37/61,312,667.86 = 19,015,947.13/x
  3. Step 3: Cross multiply
    40,865,147.37x = 61,312,667.86 × 19,015,947.13
  4. Step 4: Simplify right side
    40,865,147.37x = 1,165,918,450,176,648.75
  5. Step 5: Solve for x
    x = 1,165,918,450,176,648.75/40,865,147.37
  6. Step 6: Final answer
    x = 28,530,875.95

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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.