Home / 21,463,765.84-32,196,645.60-6,891,280

Finding the Fourth Proportional to 21,463,765.84, 32,196,645.60 and 6,891,280

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Solution

The fourth proportional to 21,463,765.84, 32,196,645.60 and 6,891,280 is: 10,337,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463,765.84 : 32,196,645.60 = 6,891,280 : x
  2. Step 2: Convert to fraction form
    21,463,765.84/32,196,645.60 = 6,891,280/x
  3. Step 3: Cross multiply
    21,463,765.84x = 32,196,645.60 × 6,891,280
  4. Step 4: Simplify right side
    21,463,765.84x = 221,876,099,890,368
  5. Step 5: Solve for x
    x = 221,876,099,890,368/21,463,765.84
  6. Step 6: Final answer
    x = 10,337,240.05

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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.