Home / 7,721,335.95-10,651,016.58-4,815,682.28

Finding the Fourth Proportional to 7,721,335.95, 10,651,016.58 and 4,815,682.28

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Solution

The fourth proportional to 7,721,335.95, 10,651,016.58 and 4,815,682.28 is: 6,642,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,335.95 : 10,651,016.58 = 4,815,682.28 : x
  2. Step 2: Convert to fraction form
    7,721,335.95/10,651,016.58 = 4,815,682.28/x
  3. Step 3: Cross multiply
    7,721,335.95x = 10,651,016.58 × 4,815,682.28
  4. Step 4: Simplify right side
    7,721,335.95x = 51,291,911,816,860.93
  5. Step 5: Solve for x
    x = 51,291,911,816,860.93/7,721,335.95
  6. Step 6: Final answer
    x = 6,642,880.47

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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.