Home / 21,360,717.32-29,470,538.68-12,066,929.60

Finding the Fourth Proportional to 21,360,717.32, 29,470,538.68 and 12,066,929.60

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Solution

The fourth proportional to 21,360,717.32, 29,470,538.68 and 12,066,929.60 is: 16,648,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360,717.32 : 29,470,538.68 = 12,066,929.60 : x
  2. Step 2: Convert to fraction form
    21,360,717.32/29,470,538.68 = 12,066,929.60/x
  3. Step 3: Cross multiply
    21,360,717.32x = 29,470,538.68 × 12,066,929.60
  4. Step 4: Simplify right side
    21,360,717.32x = 355,618,915,348,116.94
  5. Step 5: Solve for x
    x = 355,618,915,348,116.94/21,360,717.32
  6. Step 6: Final answer
    x = 16,648,266.54

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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.