Home / 21,548,417.45-29,737,444.07-11,759,492.15

Finding the Fourth Proportional to 21,548,417.45, 29,737,444.07 and 11,759,492.15

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Solution

The fourth proportional to 21,548,417.45, 29,737,444.07 and 11,759,492.15 is: 16,228,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548,417.45 : 29,737,444.07 = 11,759,492.15 : x
  2. Step 2: Convert to fraction form
    21,548,417.45/29,737,444.07 = 11,759,492.15/x
  3. Step 3: Cross multiply
    21,548,417.45x = 29,737,444.07 × 11,759,492.15
  4. Step 4: Simplify right side
    21,548,417.45x = 349,697,240,161,873.31
  5. Step 5: Solve for x
    x = 349,697,240,161,873.31/21,548,417.45
  6. Step 6: Final answer
    x = 16,228,441.88

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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.