Home / 13,739,732.66-18,960,090.85-7,627,767.50

Finding the Fourth Proportional to 13,739,732.66, 18,960,090.85 and 7,627,767.50

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Solution

The fourth proportional to 13,739,732.66, 18,960,090.85 and 7,627,767.50 is: 10,525,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,732.66 : 18,960,090.85 = 7,627,767.50 : x
  2. Step 2: Convert to fraction form
    13,739,732.66/18,960,090.85 = 7,627,767.50/x
  3. Step 3: Cross multiply
    13,739,732.66x = 18,960,090.85 × 7,627,767.50
  4. Step 4: Simplify right side
    13,739,732.66x = 144,623,164,782,677.38
  5. Step 5: Solve for x
    x = 144,623,164,782,677.38/13,739,732.66
  6. Step 6: Final answer
    x = 10,525,908.21

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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.