Home / 12,838,048.72-19,281,057.12-11,301,588.88

Finding the Fourth Proportional to 12,838,048.72, 19,281,057.12 and 11,301,588.88

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Solution

The fourth proportional to 12,838,048.72, 19,281,057.12 and 11,301,588.88 is: 16,973,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,048.72 : 19,281,057.12 = 11,301,588.88 : x
  2. Step 2: Convert to fraction form
    12,838,048.72/19,281,057.12 = 11,301,588.88/x
  3. Step 3: Cross multiply
    12,838,048.72x = 19,281,057.12 × 11,301,588.88
  4. Step 4: Simplify right side
    12,838,048.72x = 217,906,580,742,036.84
  5. Step 5: Solve for x
    x = 217,906,580,742,036.84/12,838,048.72
  6. Step 6: Final answer
    x = 16,973,496.95

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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.