Home / 12,781,896.04-17,639,451.77-7,559,381.05

Finding the Fourth Proportional to 12,781,896.04, 17,639,451.77 and 7,559,381.05

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Solution

The fourth proportional to 12,781,896.04, 17,639,451.77 and 7,559,381.05 is: 10,432,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,896.04 : 17,639,451.77 = 7,559,381.05 : x
  2. Step 2: Convert to fraction form
    12,781,896.04/17,639,451.77 = 7,559,381.05/x
  3. Step 3: Cross multiply
    12,781,896.04x = 17,639,451.77 × 7,559,381.05
  4. Step 4: Simplify right side
    12,781,896.04x = 133,343,337,335,431.23
  5. Step 5: Solve for x
    x = 133,343,337,335,431.23/12,781,896.04
  6. Step 6: Final answer
    x = 10,432,203.25

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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.