Home / 9,989,480.85-13,776,127.41-6,630,706.90

Finding the Fourth Proportional to 9,989,480.85, 13,776,127.41 and 6,630,706.90

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Solution

The fourth proportional to 9,989,480.85, 13,776,127.41 and 6,630,706.90 is: 9,144,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,480.85 : 13,776,127.41 = 6,630,706.90 : x
  2. Step 2: Convert to fraction form
    9,989,480.85/13,776,127.41 = 6,630,706.90/x
  3. Step 3: Cross multiply
    9,989,480.85x = 13,776,127.41 × 6,630,706.90
  4. Step 4: Simplify right side
    9,989,480.85x = 91,345,463,072,766.14
  5. Step 5: Solve for x
    x = 91,345,463,072,766.14/9,989,480.85
  6. Step 6: Final answer
    x = 9,144,165.19

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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.