Home / 14,247,584.84-19,661,684.11-7,721,214.30

Finding the Fourth Proportional to 14,247,584.84, 19,661,684.11 and 7,721,214.30

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Solution

The fourth proportional to 14,247,584.84, 19,661,684.11 and 7,721,214.30 is: 10,655,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247,584.84 : 19,661,684.11 = 7,721,214.30 : x
  2. Step 2: Convert to fraction form
    14,247,584.84/19,661,684.11 = 7,721,214.30/x
  3. Step 3: Cross multiply
    14,247,584.84x = 19,661,684.11 × 7,721,214.30
  4. Step 4: Simplify right side
    14,247,584.84x = 151,812,076,492,911.75
  5. Step 5: Solve for x
    x = 151,812,076,492,911.75/14,247,584.84
  6. Step 6: Final answer
    x = 10,655,284.96

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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.