Home / 9,191,116.28-12,683,740.47-5,061,137.58

Finding the Fourth Proportional to 9,191,116.28, 12,683,740.47 and 5,061,137.58

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Solution

The fourth proportional to 9,191,116.28, 12,683,740.47 and 5,061,137.58 is: 6,984,369.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191,116.28 : 12,683,740.47 = 5,061,137.58 : x
  2. Step 2: Convert to fraction form
    9,191,116.28/12,683,740.47 = 5,061,137.58/x
  3. Step 3: Cross multiply
    9,191,116.28x = 12,683,740.47 × 5,061,137.58
  4. Step 4: Simplify right side
    9,191,116.28x = 64,194,155,522,378.17
  5. Step 5: Solve for x
    x = 64,194,155,522,378.17/9,191,116.28
  6. Step 6: Final answer
    x = 6,984,369.86

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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.