Home / 14,984,996.68-20,679,332.16-8,109,528.76

Finding the Fourth Proportional to 14,984,996.68, 20,679,332.16 and 8,109,528.76

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Solution

The fourth proportional to 14,984,996.68, 20,679,332.16 and 8,109,528.76 is: 11,191,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,996.68 : 20,679,332.16 = 8,109,528.76 : x
  2. Step 2: Convert to fraction form
    14,984,996.68/20,679,332.16 = 8,109,528.76/x
  3. Step 3: Cross multiply
    14,984,996.68x = 20,679,332.16 × 8,109,528.76
  4. Step 4: Simplify right side
    14,984,996.68x = 167,699,638,889,112.91
  5. Step 5: Solve for x
    x = 167,699,638,889,112.91/14,984,996.68
  6. Step 6: Final answer
    x = 11,191,169.57

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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.