Home / 12,791,059.88-19,196,539.31-8,927,784.84

Finding the Fourth Proportional to 12,791,059.88, 19,196,539.31 and 8,927,784.84

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Solution

The fourth proportional to 12,791,059.88, 19,196,539.31 and 8,927,784.84 is: 13,398,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,059.88 : 19,196,539.31 = 8,927,784.84 : x
  2. Step 2: Convert to fraction form
    12,791,059.88/19,196,539.31 = 8,927,784.84/x
  3. Step 3: Cross multiply
    12,791,059.88x = 19,196,539.31 × 8,927,784.84
  4. Step 4: Simplify right side
    12,791,059.88x = 171,382,572,632,282.03
  5. Step 5: Solve for x
    x = 171,382,572,632,282.03/12,791,059.88
  6. Step 6: Final answer
    x = 13,398,621.71

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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.