Home / 11,731,967.72-16,191,783.80-6,506,138.10

Finding the Fourth Proportional to 11,731,967.72, 16,191,783.80 and 6,506,138.10

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Solution

The fourth proportional to 11,731,967.72, 16,191,783.80 and 6,506,138.10 is: 8,979,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731,967.72 : 16,191,783.80 = 6,506,138.10 : x
  2. Step 2: Convert to fraction form
    11,731,967.72/16,191,783.80 = 6,506,138.10/x
  3. Step 3: Cross multiply
    11,731,967.72x = 16,191,783.80 × 6,506,138.10
  4. Step 4: Simplify right side
    11,731,967.72x = 105,345,981,488,142.78
  5. Step 5: Solve for x
    x = 105,345,981,488,142.78/11,731,967.72
  6. Step 6: Final answer
    x = 8,979,395.78

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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.