Home / 19,859,724.63-29,789,543.12-5,286,647.43

Finding the Fourth Proportional to 19,859,724.63, 29,789,543.12 and 5,286,647.43

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Solution

The fourth proportional to 19,859,724.63, 29,789,543.12 and 5,286,647.43 is: 7,929,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859,724.63 : 29,789,543.12 = 5,286,647.43 : x
  2. Step 2: Convert to fraction form
    19,859,724.63/29,789,543.12 = 5,286,647.43/x
  3. Step 3: Cross multiply
    19,859,724.63x = 29,789,543.12 × 5,286,647.43
  4. Step 4: Simplify right side
    19,859,724.63x = 157,486,811,549,788.94
  5. Step 5: Solve for x
    x = 157,486,811,549,788.94/19,859,724.63
  6. Step 6: Final answer
    x = 7,929,959.48

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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.