Home / 9,989,479.85-13,776,126.03-6,630,705.90

Finding the Fourth Proportional to 9,989,479.85, 13,776,126.03 and 6,630,705.90

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Solution

The fourth proportional to 9,989,479.85, 13,776,126.03 and 6,630,705.90 is: 9,144,163.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,479.85 : 13,776,126.03 = 6,630,705.90 : x
  2. Step 2: Convert to fraction form
    9,989,479.85/13,776,126.03 = 6,630,705.90/x
  3. Step 3: Cross multiply
    9,989,479.85x = 13,776,126.03 × 6,630,705.90
  4. Step 4: Simplify right side
    9,989,479.85x = 91,345,440,146,264.58
  5. Step 5: Solve for x
    x = 91,345,440,146,264.58/9,989,479.85
  6. Step 6: Final answer
    x = 9,144,163.82

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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.