Home / 12,527,356.50-17,287,457.94-7,371,052.02

Finding the Fourth Proportional to 12,527,356.50, 17,287,457.94 and 7,371,052.02

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Solution

The fourth proportional to 12,527,356.50, 17,287,457.94 and 7,371,052.02 is: 10,171,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527,356.50 : 17,287,457.94 = 7,371,052.02 : x
  2. Step 2: Convert to fraction form
    12,527,356.50/17,287,457.94 = 7,371,052.02/x
  3. Step 3: Cross multiply
    12,527,356.50x = 17,287,457.94 × 7,371,052.02
  4. Step 4: Simplify right side
    12,527,356.50x = 127,426,751,769,302.05
  5. Step 5: Solve for x
    x = 127,426,751,769,302.05/12,527,356.50
  6. Step 6: Final answer
    x = 10,171,878.78

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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.