Home / 6,912,031.20-10,368,046.80-5,232,415.20

Finding the Fourth Proportional to 6,912,031.20, 10,368,046.80 and 5,232,415.20

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Solution

The fourth proportional to 6,912,031.20, 10,368,046.80 and 5,232,415.20 is: 7,848,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,031.20 : 10,368,046.80 = 5,232,415.20 : x
  2. Step 2: Convert to fraction form
    6,912,031.20/10,368,046.80 = 5,232,415.20/x
  3. Step 3: Cross multiply
    6,912,031.20x = 10,368,046.80 × 5,232,415.20
  4. Step 4: Simplify right side
    6,912,031.20x = 54,249,925,670,631.37
  5. Step 5: Solve for x
    x = 54,249,925,670,631.37/6,912,031.20
  6. Step 6: Final answer
    x = 7,848,622.80

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Similar ratio
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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.