Home / 17,579,465.40-26,377,071.30-7,989,907.80

Finding the Fourth Proportional to 17,579,465.40, 26,377,071.30 and 7,989,907.80

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Solution

The fourth proportional to 17,579,465.40, 26,377,071.30 and 7,989,907.80 is: 11,988,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,579,465.40 : 26,377,071.30 = 7,989,907.80 : x
  2. Step 2: Convert to fraction form
    17,579,465.40/26,377,071.30 = 7,989,907.80/x
  3. Step 3: Cross multiply
    17,579,465.40x = 26,377,071.30 × 7,989,907.80
  4. Step 4: Simplify right side
    17,579,465.40x = 210,750,367,721,026.16
  5. Step 5: Solve for x
    x = 210,750,367,721,026.16/17,579,465.40
  6. Step 6: Final answer
    x = 11,988,440.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.