Home / 13,121,260.47-19,679,647.41-3,534,396.93

Finding the Fourth Proportional to 13,121,260.47, 19,679,647.41 and 3,534,396.93

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Solution

The fourth proportional to 13,121,260.47, 19,679,647.41 and 3,534,396.93 is: 5,300,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,260.47 : 19,679,647.41 = 3,534,396.93 : x
  2. Step 2: Convert to fraction form
    13,121,260.47/19,679,647.41 = 3,534,396.93/x
  3. Step 3: Cross multiply
    13,121,260.47x = 19,679,647.41 × 3,534,396.93
  4. Step 4: Simplify right side
    13,121,260.47x = 69,555,685,389,386.45
  5. Step 5: Solve for x
    x = 69,555,685,389,386.45/13,121,260.47
  6. Step 6: Final answer
    x = 5,300,991.13

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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.