Home / 13,297,482.07-18,349,734.39-7,715,296.13

Finding the Fourth Proportional to 13,297,482.07, 18,349,734.39 and 7,715,296.13

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Solution

The fourth proportional to 13,297,482.07, 18,349,734.39 and 7,715,296.13 is: 10,646,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297,482.07 : 18,349,734.39 = 7,715,296.13 : x
  2. Step 2: Convert to fraction form
    13,297,482.07/18,349,734.39 = 7,715,296.13/x
  3. Step 3: Cross multiply
    13,297,482.07x = 18,349,734.39 × 7,715,296.13
  4. Step 4: Simplify right side
    13,297,482.07x = 141,573,634,725,694.91
  5. Step 5: Solve for x
    x = 141,573,634,725,694.91/13,297,482.07
  6. Step 6: Final answer
    x = 10,646,649.80

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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.