Home / 6,912,003.70-10,368,005.55-5,208,886.90

Finding the Fourth Proportional to 6,912,003.70, 10,368,005.55 and 5,208,886.90

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Solution

The fourth proportional to 6,912,003.70, 10,368,005.55 and 5,208,886.90 is: 7,813,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,003.70 : 10,368,005.55 = 5,208,886.90 : x
  2. Step 2: Convert to fraction form
    6,912,003.70/10,368,005.55 = 5,208,886.90/x
  3. Step 3: Cross multiply
    6,912,003.70x = 10,368,005.55 × 5,208,886.90
  4. Step 4: Simplify right side
    6,912,003.70x = 54,005,768,288,522.30
  5. Step 5: Solve for x
    x = 54,005,768,288,522.30/6,912,003.70
  6. Step 6: Final answer
    x = 7,813,330.35

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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.