Home / 14,111,215.26-21,159,975.69-8,276,994.78

Finding the Fourth Proportional to 14,111,215.26, 21,159,975.69 and 8,276,994.78

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Solution

The fourth proportional to 14,111,215.26, 21,159,975.69 and 8,276,994.78 is: 12,411,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111,215.26 : 21,159,975.69 = 8,276,994.78 : x
  2. Step 2: Convert to fraction form
    14,111,215.26/21,159,975.69 = 8,276,994.78/x
  3. Step 3: Cross multiply
    14,111,215.26x = 21,159,975.69 × 8,276,994.78
  4. Step 4: Simplify right side
    14,111,215.26x = 175,141,008,331,056.91
  5. Step 5: Solve for x
    x = 175,141,008,331,056.91/14,111,215.26
  6. Step 6: Final answer
    x = 12,411,475.92

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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.