Home / 13,989,117.30-20,977,455.15-6,418,403.70

Finding the Fourth Proportional to 13,989,117.30, 20,977,455.15 and 6,418,403.70

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Solution

The fourth proportional to 13,989,117.30, 20,977,455.15 and 6,418,403.70 is: 9,624,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989,117.30 : 20,977,455.15 = 6,418,403.70 : x
  2. Step 2: Convert to fraction form
    13,989,117.30/20,977,455.15 = 6,418,403.70/x
  3. Step 3: Cross multiply
    13,989,117.30x = 20,977,455.15 × 6,418,403.70
  4. Step 4: Simplify right side
    13,989,117.30x = 134,641,775,751,344.05
  5. Step 5: Solve for x
    x = 134,641,775,751,344.05/13,989,117.30
  6. Step 6: Final answer
    x = 9,624,751.36

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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.