Home / 11,381,315.86-15,706,624.71-6,487,276.42

Finding the Fourth Proportional to 11,381,315.86, 15,706,624.71 and 6,487,276.42

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Solution

The fourth proportional to 11,381,315.86, 15,706,624.71 and 6,487,276.42 is: 8,952,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381,315.86 : 15,706,624.71 = 6,487,276.42 : x
  2. Step 2: Convert to fraction form
    11,381,315.86/15,706,624.71 = 6,487,276.42/x
  3. Step 3: Cross multiply
    11,381,315.86x = 15,706,624.71 × 6,487,276.42
  4. Step 4: Simplify right side
    11,381,315.86x = 101,893,216,118,972.34
  5. Step 5: Solve for x
    x = 101,893,216,118,972.34/11,381,315.86
  6. Step 6: Final answer
    x = 8,952,674.49

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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.