Home / 13,896,838.88-20,842,721.52-5,807,650.40

Finding the Fourth Proportional to 13,896,838.88, 20,842,721.52 and 5,807,650.40

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Solution

The fourth proportional to 13,896,838.88, 20,842,721.52 and 5,807,650.40 is: 8,710,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896,838.88 : 20,842,721.52 = 5,807,650.40 : x
  2. Step 2: Convert to fraction form
    13,896,838.88/20,842,721.52 = 5,807,650.40/x
  3. Step 3: Cross multiply
    13,896,838.88x = 20,842,721.52 × 5,807,650.40
  4. Step 4: Simplify right side
    13,896,838.88x = 121,047,239,972,716.61
  5. Step 5: Solve for x
    x = 121,047,239,972,716.61/13,896,838.88
  6. Step 6: Final answer
    x = 8,710,415.44

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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.