Home / 11,519,128.47-17,281,269.95-4,330,724.66

Finding the Fourth Proportional to 11,519,128.47, 17,281,269.95 and 4,330,724.66

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Solution

The fourth proportional to 11,519,128.47, 17,281,269.95 and 4,330,724.66 is: 6,497,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519,128.47 : 17,281,269.95 = 4,330,724.66 : x
  2. Step 2: Convert to fraction form
    11,519,128.47/17,281,269.95 = 4,330,724.66/x
  3. Step 3: Cross multiply
    11,519,128.47x = 17,281,269.95 × 4,330,724.66
  4. Step 4: Simplify right side
    11,519,128.47x = 74,840,421,820,522
  5. Step 5: Solve for x
    x = 74,840,421,820,522/11,519,128.47
  6. Step 6: Final answer
    x = 6,497,055.92

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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.