Home / 19,948,618.40-29,922,927.60-11,421,942.80

Finding the Fourth Proportional to 19,948,618.40, 29,922,927.60 and 11,421,942.80

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Solution

The fourth proportional to 19,948,618.40, 29,922,927.60 and 11,421,942.80 is: 17,132,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948,618.40 : 29,922,927.60 = 11,421,942.80 : x
  2. Step 2: Convert to fraction form
    19,948,618.40/29,922,927.60 = 11,421,942.80/x
  3. Step 3: Cross multiply
    19,948,618.40x = 29,922,927.60 × 11,421,942.80
  4. Step 4: Simplify right side
    19,948,618.40x = 341,777,967,455,741.31
  5. Step 5: Solve for x
    x = 341,777,967,455,741.31/19,948,618.40
  6. Step 6: Final answer
    x = 17,132,914.20

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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.