Home / 31,746,230.32-43,819,121.48-20,734,663.44

Finding the Fourth Proportional to 31,746,230.32, 43,819,121.48 and 20,734,663.44

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Solution

The fourth proportional to 31,746,230.32, 43,819,121.48 and 20,734,663.44 is: 28,619,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,746,230.32 : 43,819,121.48 = 20,734,663.44 : x
  2. Step 2: Convert to fraction form
    31,746,230.32/43,819,121.48 = 20,734,663.44/x
  3. Step 3: Cross multiply
    31,746,230.32x = 43,819,121.48 × 20,734,663.44
  4. Step 4: Simplify right side
    31,746,230.32x = 908,574,736,124,274.62
  5. Step 5: Solve for x
    x = 908,574,736,124,274.62/31,746,230.32
  6. Step 6: Final answer
    x = 28,619,925.17

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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.