Home / 14,428,360.47-19,911,137.39-7,902,005.37

Finding the Fourth Proportional to 14,428,360.47, 19,911,137.39 and 7,902,005.37

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Solution

The fourth proportional to 14,428,360.47, 19,911,137.39 and 7,902,005.37 is: 10,904,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428,360.47 : 19,911,137.39 = 7,902,005.37 : x
  2. Step 2: Convert to fraction form
    14,428,360.47/19,911,137.39 = 7,902,005.37/x
  3. Step 3: Cross multiply
    14,428,360.47x = 19,911,137.39 × 7,902,005.37
  4. Step 4: Simplify right side
    14,428,360.47x = 157,337,914,539,077.78
  5. Step 5: Solve for x
    x = 157,337,914,539,077.78/14,428,360.47
  6. Step 6: Final answer
    x = 10,904,767.38

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1.5x scale

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.