Home / 9,021,875.78-12,450,175.25-4,891,899.42

Finding the Fourth Proportional to 9,021,875.78, 12,450,175.25 and 4,891,899.42

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Solution

The fourth proportional to 9,021,875.78, 12,450,175.25 and 4,891,899.42 is: 6,750,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,875.78 : 12,450,175.25 = 4,891,899.42 : x
  2. Step 2: Convert to fraction form
    9,021,875.78/12,450,175.25 = 4,891,899.42/x
  3. Step 3: Cross multiply
    9,021,875.78x = 12,450,175.25 × 4,891,899.42
  4. Step 4: Simplify right side
    9,021,875.78x = 60,905,005,022,122.48
  5. Step 5: Solve for x
    x = 60,905,005,022,122.48/9,021,875.78
  6. Step 6: Final answer
    x = 6,750,813.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.