Home / 14,009,715.72-21,015,203.09-4,293,616.95

Finding the Fourth Proportional to 14,009,715.72, 21,015,203.09 and 4,293,616.95

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Solution

The fourth proportional to 14,009,715.72, 21,015,203.09 and 4,293,616.95 is: 6,440,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009,715.72 : 21,015,203.09 = 4,293,616.95 : x
  2. Step 2: Convert to fraction form
    14,009,715.72/21,015,203.09 = 4,293,616.95/x
  3. Step 3: Cross multiply
    14,009,715.72x = 21,015,203.09 × 4,293,616.95
  4. Step 4: Simplify right side
    14,009,715.72x = 90,231,232,173,448.30
  5. Step 5: Solve for x
    x = 90,231,232,173,448.30/14,009,715.72
  6. Step 6: Final answer
    x = 6,440,618.35

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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.