Home / 21,360,718.32-29,470,540.06-12,066,930.60

Finding the Fourth Proportional to 21,360,718.32, 29,470,540.06 and 12,066,930.60

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Solution

The fourth proportional to 21,360,718.32, 29,470,540.06 and 12,066,930.60 is: 16,648,267.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360,718.32 : 29,470,540.06 = 12,066,930.60 : x
  2. Step 2: Convert to fraction form
    21,360,718.32/29,470,540.06 = 12,066,930.60/x
  3. Step 3: Cross multiply
    21,360,718.32x = 29,470,540.06 × 12,066,930.60
  4. Step 4: Simplify right side
    21,360,718.32x = 355,618,961,648,539.81
  5. Step 5: Solve for x
    x = 355,618,961,648,539.81/21,360,718.32
  6. Step 6: Final answer
    x = 16,648,267.92

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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.