Home / 30,176,587.87-45,268,120.35-12,906,582.39

Finding the Fourth Proportional to 30,176,587.87, 45,268,120.35 and 12,906,582.39

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Solution

The fourth proportional to 30,176,587.87, 45,268,120.35 and 12,906,582.39 is: 19,361,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,176,587.87 : 45,268,120.35 = 12,906,582.39 : x
  2. Step 2: Convert to fraction form
    30,176,587.87/45,268,120.35 = 12,906,582.39/x
  3. Step 3: Cross multiply
    30,176,587.87x = 45,268,120.35 × 12,906,582.39
  4. Step 4: Simplify right side
    30,176,587.87x = 584,256,724,937,710.62
  5. Step 5: Solve for x
    x = 584,256,724,937,710.62/30,176,587.87
  6. Step 6: Final answer
    x = 19,361,258.72

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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.