Home / 14,009,718.72-21,015,207.59-4,293,619.95

Finding the Fourth Proportional to 14,009,718.72, 21,015,207.59 and 4,293,619.95

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Solution

The fourth proportional to 14,009,718.72, 21,015,207.59 and 4,293,619.95 is: 6,440,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009,718.72 : 21,015,207.59 = 4,293,619.95 : x
  2. Step 2: Convert to fraction form
    14,009,718.72/21,015,207.59 = 4,293,619.95/x
  3. Step 3: Cross multiply
    14,009,718.72x = 21,015,207.59 × 4,293,619.95
  4. Step 4: Simplify right side
    14,009,718.72x = 90,231,314,561,815.42
  5. Step 5: Solve for x
    x = 90,231,314,561,815.42/14,009,718.72
  6. Step 6: Final answer
    x = 6,440,622.85

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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.