Home / 13,026,982.79-17,977,178.65-7,445,136.17

Finding the Fourth Proportional to 13,026,982.79, 17,977,178.65 and 7,445,136.17

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Solution

The fourth proportional to 13,026,982.79, 17,977,178.65 and 7,445,136.17 is: 10,274,255.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026,982.79 : 17,977,178.65 = 7,445,136.17 : x
  2. Step 2: Convert to fraction form
    13,026,982.79/17,977,178.65 = 7,445,136.17/x
  3. Step 3: Cross multiply
    13,026,982.79x = 17,977,178.65 × 7,445,136.17
  4. Step 4: Simplify right side
    13,026,982.79x = 133,842,543,088,175.59
  5. Step 5: Solve for x
    x = 133,842,543,088,175.59/13,026,982.79
  6. Step 6: Final answer
    x = 10,274,255.01

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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.