Home / 28,171,947.80-42,257,921.70-27,605,077.40

Finding the Fourth Proportional to 28,171,947.80, 42,257,921.70 and 27,605,077.40

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Solution

The fourth proportional to 28,171,947.80, 42,257,921.70 and 27,605,077.40 is: 41,407,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,171,947.80 : 42,257,921.70 = 27,605,077.40 : x
  2. Step 2: Convert to fraction form
    28,171,947.80/42,257,921.70 = 27,605,077.40/x
  3. Step 3: Cross multiply
    28,171,947.80x = 42,257,921.70 × 27,605,077.40
  4. Step 4: Simplify right side
    28,171,947.80x = 1,166,533,199,291,639.50
  5. Step 5: Solve for x
    x = 1,166,533,199,291,639.50/28,171,947.80
  6. Step 6: Final answer
    x = 41,407,616.10

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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.