Home / 12,643,307.76-17,447,807.85-6,842,087.96

Finding the Fourth Proportional to 12,643,307.76, 17,447,807.85 and 6,842,087.96

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Solution

The fourth proportional to 12,643,307.76, 17,447,807.85 and 6,842,087.96 is: 9,442,104.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,307.76 : 17,447,807.85 = 6,842,087.96 : x
  2. Step 2: Convert to fraction form
    12,643,307.76/17,447,807.85 = 6,842,087.96/x
  3. Step 3: Cross multiply
    12,643,307.76x = 17,447,807.85 × 6,842,087.96
  4. Step 4: Simplify right side
    12,643,307.76x = 119,379,436,018,878.50
  5. Step 5: Solve for x
    x = 119,379,436,018,878.50/12,643,307.76
  6. Step 6: Final answer
    x = 9,442,104.73

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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.