Home / 14,070,639.77-21,109,598.53-8,239,749.82

Finding the Fourth Proportional to 14,070,639.77, 21,109,598.53 and 8,239,749.82

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Solution

The fourth proportional to 14,070,639.77, 21,109,598.53 and 8,239,749.82 is: 12,361,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070,639.77 : 21,109,598.53 = 8,239,749.82 : x
  2. Step 2: Convert to fraction form
    14,070,639.77/21,109,598.53 = 8,239,749.82/x
  3. Step 3: Cross multiply
    14,070,639.77x = 21,109,598.53 × 8,239,749.82
  4. Step 4: Simplify right side
    14,070,639.77x = 173,937,810,582,291.78
  5. Step 5: Solve for x
    x = 173,937,810,582,291.78/14,070,639.77
  6. Step 6: Final answer
    x = 12,361,755.65

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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.