Home / 12,781,887.48-17,639,439.99-7,559,372.49

Finding the Fourth Proportional to 12,781,887.48, 17,639,439.99 and 7,559,372.49

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Solution

The fourth proportional to 12,781,887.48, 17,639,439.99 and 7,559,372.49 is: 10,432,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,887.48 : 17,639,439.99 = 7,559,372.49 : x
  2. Step 2: Convert to fraction form
    12,781,887.48/17,639,439.99 = 7,559,372.49/x
  3. Step 3: Cross multiply
    12,781,887.48x = 17,639,439.99 × 7,559,372.49
  4. Step 4: Simplify right side
    12,781,887.48x = 133,343,097,311,214.67
  5. Step 5: Solve for x
    x = 133,343,097,311,214.67/12,781,887.48
  6. Step 6: Final answer
    x = 10,432,191.46

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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.