Home / 10,811,972.70-14,920,528.14-5,917,191.93

Finding the Fourth Proportional to 10,811,972.70, 14,920,528.14 and 5,917,191.93

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Solution

The fourth proportional to 10,811,972.70, 14,920,528.14 and 5,917,191.93 is: 8,165,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811,972.70 : 14,920,528.14 = 5,917,191.93 : x
  2. Step 2: Convert to fraction form
    10,811,972.70/14,920,528.14 = 5,917,191.93/x
  3. Step 3: Cross multiply
    10,811,972.70x = 14,920,528.14 × 5,917,191.93
  4. Step 4: Simplify right side
    10,811,972.70x = 88,287,628,701,345.91
  5. Step 5: Solve for x
    x = 88,287,628,701,345.91/10,811,972.70
  6. Step 6: Final answer
    x = 8,165,728.05

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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.