Home / 12,896,749.72-19,347,486.54-5,319,582.04

Finding the Fourth Proportional to 12,896,749.72, 19,347,486.54 and 5,319,582.04

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Solution

The fourth proportional to 12,896,749.72, 19,347,486.54 and 5,319,582.04 is: 7,980,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,749.72 : 19,347,486.54 = 5,319,582.04 : x
  2. Step 2: Convert to fraction form
    12,896,749.72/19,347,486.54 = 5,319,582.04/x
  3. Step 3: Cross multiply
    12,896,749.72x = 19,347,486.54 × 5,319,582.04
  4. Step 4: Simplify right side
    12,896,749.72x = 102,920,541,917,325.73
  5. Step 5: Solve for x
    x = 102,920,541,917,325.73/12,896,749.72
  6. Step 6: Final answer
    x = 7,980,347.31

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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.