Home / 21,548,079.15-29,736,980.19-11,759,154.09

Finding the Fourth Proportional to 21,548,079.15, 29,736,980.19 and 11,759,154.09

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Solution

The fourth proportional to 21,548,079.15, 29,736,980.19 and 11,759,154.09 is: 16,227,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548,079.15 : 29,736,980.19 = 11,759,154.09 : x
  2. Step 2: Convert to fraction form
    21,548,079.15/29,736,980.19 = 11,759,154.09/x
  3. Step 3: Cross multiply
    21,548,079.15x = 29,736,980.19 × 11,759,154.09
  4. Step 4: Simplify right side
    21,548,079.15x = 349,681,732,225,487.50
  5. Step 5: Solve for x
    x = 349,681,732,225,487.50/21,548,079.15
  6. Step 6: Final answer
    x = 16,227,976.97

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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.