Home / 9,577,878.71-13,206,704.42-7,830,144.95

Finding the Fourth Proportional to 9,577,878.71, 13,206,704.42 and 7,830,144.95

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Solution

The fourth proportional to 9,577,878.71, 13,206,704.42 and 7,830,144.95 is: 10,796,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,577,878.71 : 13,206,704.42 = 7,830,144.95 : x
  2. Step 2: Convert to fraction form
    9,577,878.71/13,206,704.42 = 7,830,144.95/x
  3. Step 3: Cross multiply
    9,577,878.71x = 13,206,704.42 × 7,830,144.95
  4. Step 4: Simplify right side
    9,577,878.71x = 103,410,409,881,254.95
  5. Step 5: Solve for x
    x = 103,410,409,881,254.95/9,577,878.71
  6. Step 6: Final answer
    x = 10,796,796.77

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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.