Home / 10,127,982.84-15,263,066.49-9,118,113.72

Finding the Fourth Proportional to 10,127,982.84, 15,263,066.49 and 9,118,113.72

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Solution

The fourth proportional to 10,127,982.84, 15,263,066.49 and 9,118,113.72 is: 13,741,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127,982.84 : 15,263,066.49 = 9,118,113.72 : x
  2. Step 2: Convert to fraction form
    10,127,982.84/15,263,066.49 = 9,118,113.72/x
  3. Step 3: Cross multiply
    10,127,982.84x = 15,263,066.49 × 9,118,113.72
  4. Step 4: Simplify right side
    10,127,982.84x = 139,170,375,971,741.25
  5. Step 5: Solve for x
    x = 139,170,375,971,741.25/10,127,982.84
  6. Step 6: Final answer
    x = 13,741,174.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.