Home / 9,742,161.78-13,444,209.42-5,391,548.10

Finding the Fourth Proportional to 9,742,161.78, 13,444,209.42 and 5,391,548.10

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Solution

The fourth proportional to 9,742,161.78, 13,444,209.42 and 5,391,548.10 is: 7,440,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742,161.78 : 13,444,209.42 = 5,391,548.10 : x
  2. Step 2: Convert to fraction form
    9,742,161.78/13,444,209.42 = 5,391,548.10/x
  3. Step 3: Cross multiply
    9,742,161.78x = 13,444,209.42 × 5,391,548.10
  4. Step 4: Simplify right side
    9,742,161.78x = 72,485,101,754,403.09
  5. Step 5: Solve for x
    x = 72,485,101,754,403.09/9,742,161.78
  6. Step 6: Final answer
    x = 7,440,350.86

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1.5x scale

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.