Home / 12,642,943.20-17,447,261.58-6,841,724.94

Finding the Fourth Proportional to 12,642,943.20, 17,447,261.58 and 6,841,724.94

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Solution

The fourth proportional to 12,642,943.20, 17,447,261.58 and 6,841,724.94 is: 9,441,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,943.20 : 17,447,261.58 = 6,841,724.94 : x
  2. Step 2: Convert to fraction form
    12,642,943.20/17,447,261.58 = 6,841,724.94/x
  3. Step 3: Cross multiply
    12,642,943.20x = 17,447,261.58 × 6,841,724.94
  4. Step 4: Simplify right side
    12,642,943.20x = 119,369,364,686,589.80
  5. Step 5: Solve for x
    x = 119,369,364,686,589.80/12,642,943.20
  6. Step 6: Final answer
    x = 9,441,580.40

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1.5x scale

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.