Home / 13,986,782.36-19,301,468.84-7,791,820.55

Finding the Fourth Proportional to 13,986,782.36, 19,301,468.84 and 7,791,820.55

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Solution

The fourth proportional to 13,986,782.36, 19,301,468.84 and 7,791,820.55 is: 10,752,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986,782.36 : 19,301,468.84 = 7,791,820.55 : x
  2. Step 2: Convert to fraction form
    13,986,782.36/19,301,468.84 = 7,791,820.55/x
  3. Step 3: Cross multiply
    13,986,782.36x = 19,301,468.84 × 7,791,820.55
  4. Step 4: Simplify right side
    13,986,782.36x = 150,393,581,518,830.06
  5. Step 5: Solve for x
    x = 150,393,581,518,830.06/13,986,782.36
  6. Step 6: Final answer
    x = 10,752,550.35

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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.