Home / 13,121,303.30-19,679,712.13-3,534,439.81

Finding the Fourth Proportional to 13,121,303.30, 19,679,712.13 and 3,534,439.81

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Solution

The fourth proportional to 13,121,303.30, 19,679,712.13 and 3,534,439.81 is: 5,301,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,303.30 : 19,679,712.13 = 3,534,439.81 : x
  2. Step 2: Convert to fraction form
    13,121,303.30/19,679,712.13 = 3,534,439.81/x
  3. Step 3: Cross multiply
    13,121,303.30x = 19,679,712.13 × 3,534,439.81
  4. Step 4: Simplify right side
    13,121,303.30x = 69,556,758,003,668.97
  5. Step 5: Solve for x
    x = 69,556,758,003,668.97/13,121,303.30
  6. Step 6: Final answer
    x = 5,301,055.58

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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.