Home / 13,656,385.56-18,845,592.08-7,461,299.28

Finding the Fourth Proportional to 13,656,385.56, 18,845,592.08 and 7,461,299.28

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Solution

The fourth proportional to 13,656,385.56, 18,845,592.08 and 7,461,299.28 is: 10,296,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,385.56 : 18,845,592.08 = 7,461,299.28 : x
  2. Step 2: Convert to fraction form
    13,656,385.56/18,845,592.08 = 7,461,299.28/x
  3. Step 3: Cross multiply
    13,656,385.56x = 18,845,592.08 × 7,461,299.28
  4. Step 4: Simplify right side
    13,656,385.56x = 140,612,602,617,677.69
  5. Step 5: Solve for x
    x = 140,612,602,617,677.69/13,656,385.56
  6. Step 6: Final answer
    x = 10,296,472.81

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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.