Home / 6,912,054.20-10,368,081.30-5,208,937.40

Finding the Fourth Proportional to 6,912,054.20, 10,368,081.30 and 5,208,937.40

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Solution

The fourth proportional to 6,912,054.20, 10,368,081.30 and 5,208,937.40 is: 7,813,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,054.20 : 10,368,081.30 = 5,208,937.40 : x
  2. Step 2: Convert to fraction form
    6,912,054.20/10,368,081.30 = 5,208,937.40/x
  3. Step 3: Cross multiply
    6,912,054.20x = 10,368,081.30 × 5,208,937.40
  4. Step 4: Simplify right side
    6,912,054.20x = 54,006,686,449,810.62
  5. Step 5: Solve for x
    x = 54,006,686,449,810.62/6,912,054.20
  6. Step 6: Final answer
    x = 7,813,406.10

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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.