Home / 9,091,461.40-13,656,087.78-7,211,341.24

Finding the Fourth Proportional to 9,091,461.40, 13,656,087.78 and 7,211,341.24

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Solution

The fourth proportional to 9,091,461.40, 13,656,087.78 and 7,211,341.24 is: 10,831,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091,461.40 : 13,656,087.78 = 7,211,341.24 : x
  2. Step 2: Convert to fraction form
    9,091,461.40/13,656,087.78 = 7,211,341.24/x
  3. Step 3: Cross multiply
    9,091,461.40x = 13,656,087.78 × 7,211,341.24
  4. Step 4: Simplify right side
    9,091,461.40x = 98,478,708,984,974.05
  5. Step 5: Solve for x
    x = 98,478,708,984,974.05/9,091,461.40
  6. Step 6: Final answer
    x = 10,831,999.90

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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.