Home / 7,285,853.80-10,928,780.70-5,158,340.20

Finding the Fourth Proportional to 7,285,853.80, 10,928,780.70 and 5,158,340.20

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Solution

The fourth proportional to 7,285,853.80, 10,928,780.70 and 5,158,340.20 is: 7,737,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285,853.80 : 10,928,780.70 = 5,158,340.20 : x
  2. Step 2: Convert to fraction form
    7,285,853.80/10,928,780.70 = 5,158,340.20/x
  3. Step 3: Cross multiply
    7,285,853.80x = 10,928,780.70 × 5,158,340.20
  4. Step 4: Simplify right side
    7,285,853.80x = 56,374,368,821,794.14
  5. Step 5: Solve for x
    x = 56,374,368,821,794.14/7,285,853.80
  6. Step 6: Final answer
    x = 7,737,510.30

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1.5x scale

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.