Home / 19,892,117.70-29,838,176.55-10,310,433.30

Finding the Fourth Proportional to 19,892,117.70, 29,838,176.55 and 10,310,433.30

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Solution

The fourth proportional to 19,892,117.70, 29,838,176.55 and 10,310,433.30 is: 15,465,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892,117.70 : 29,838,176.55 = 10,310,433.30 : x
  2. Step 2: Convert to fraction form
    19,892,117.70/29,838,176.55 = 10,310,433.30/x
  3. Step 3: Cross multiply
    19,892,117.70x = 29,838,176.55 × 10,310,433.30
  4. Step 4: Simplify right side
    19,892,117.70x = 307,644,529,112,399.12
  5. Step 5: Solve for x
    x = 307,644,529,112,399.12/19,892,117.70
  6. Step 6: Final answer
    x = 15,465,649.95

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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.