Home / 7,766,316.21-11,651,155.89-2,974,005.69

Finding the Fourth Proportional to 7,766,316.21, 11,651,155.89 and 2,974,005.69

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Solution

The fourth proportional to 7,766,316.21, 11,651,155.89 and 2,974,005.69 is: 4,461,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766,316.21 : 11,651,155.89 = 2,974,005.69 : x
  2. Step 2: Convert to fraction form
    7,766,316.21/11,651,155.89 = 2,974,005.69/x
  3. Step 3: Cross multiply
    7,766,316.21x = 11,651,155.89 × 2,974,005.69
  4. Step 4: Simplify right side
    7,766,316.21x = 34,650,603,911,937.02
  5. Step 5: Solve for x
    x = 34,650,603,911,937.02/7,766,316.21
  6. Step 6: Final answer
    x = 4,461,652.47

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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.