Home / 19,937,508-29,911,578.44-7,158,123.40

Finding the Fourth Proportional to 19,937,508, 29,911,578.44 and 7,158,123.40

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Solution

The fourth proportional to 19,937,508, 29,911,578.44 and 7,158,123.40 is: 10,739,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937,508 : 29,911,578.44 = 7,158,123.40 : x
  2. Step 2: Convert to fraction form
    19,937,508/29,911,578.44 = 7,158,123.40/x
  3. Step 3: Cross multiply
    19,937,508x = 29,911,578.44 × 7,158,123.40
  4. Step 4: Simplify right side
    19,937,508x = 214,110,769,562,299.53
  5. Step 5: Solve for x
    x = 214,110,769,562,299.53/19,937,508
  6. Step 6: Final answer
    x = 10,739,093.85

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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.