Home / 9,519,278.15-13,136,603.42-5,168,365.01

Finding the Fourth Proportional to 9,519,278.15, 13,136,603.42 and 5,168,365.01

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Solution

The fourth proportional to 9,519,278.15, 13,136,603.42 and 5,168,365.01 is: 7,132,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519,278.15 : 13,136,603.42 = 5,168,365.01 : x
  2. Step 2: Convert to fraction form
    9,519,278.15/13,136,603.42 = 5,168,365.01/x
  3. Step 3: Cross multiply
    9,519,278.15x = 13,136,603.42 × 5,168,365.01
  4. Step 4: Simplify right side
    9,519,278.15x = 67,894,761,462,674.49
  5. Step 5: Solve for x
    x = 67,894,761,462,674.49/9,519,278.15
  6. Step 6: Final answer
    x = 7,132,343.48

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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.