Home / 30,845,758.03-42,571,834.40-19,687,068.23

Finding the Fourth Proportional to 30,845,758.03, 42,571,834.40 and 19,687,068.23

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Solution

The fourth proportional to 30,845,758.03, 42,571,834.40 and 19,687,068.23 is: 27,171,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845,758.03 : 42,571,834.40 = 19,687,068.23 : x
  2. Step 2: Convert to fraction form
    30,845,758.03/42,571,834.40 = 19,687,068.23/x
  3. Step 3: Cross multiply
    30,845,758.03x = 42,571,834.40 × 19,687,068.23
  4. Step 4: Simplify right side
    30,845,758.03x = 838,114,608,345,419.75
  5. Step 5: Solve for x
    x = 838,114,608,345,419.75/30,845,758.03
  6. Step 6: Final answer
    x = 27,171,146.44

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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.