Home / 28,406,859-42,616,603.38-13,252,523.64

Finding the Fourth Proportional to 28,406,859, 42,616,603.38 and 13,252,523.64

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Solution

The fourth proportional to 28,406,859, 42,616,603.38 and 13,252,523.64 is: 19,881,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406,859 : 42,616,603.38 = 13,252,523.64 : x
  2. Step 2: Convert to fraction form
    28,406,859/42,616,603.38 = 13,252,523.64/x
  3. Step 3: Cross multiply
    28,406,859x = 42,616,603.38 × 13,252,523.64
  4. Step 4: Simplify right side
    28,406,859x = 564,777,543,749,954
  5. Step 5: Solve for x
    x = 564,777,543,749,954/28,406,859
  6. Step 6: Final answer
    x = 19,881,731.51

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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.