Home / 11,139,953.78-16,706,528.97-7,703,781.30

Finding the Fourth Proportional to 11,139,953.78, 16,706,528.97 and 7,703,781.30

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Solution

The fourth proportional to 11,139,953.78, 16,706,528.97 and 7,703,781.30 is: 11,553,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139,953.78 : 16,706,528.97 = 7,703,781.30 : x
  2. Step 2: Convert to fraction form
    11,139,953.78/16,706,528.97 = 7,703,781.30/x
  3. Step 3: Cross multiply
    11,139,953.78x = 16,706,528.97 × 7,703,781.30
  4. Step 4: Simplify right side
    11,139,953.78x = 128,703,445,466,994.27
  5. Step 5: Solve for x
    x = 128,703,445,466,994.27/11,139,953.78
  6. Step 6: Final answer
    x = 11,553,319.53

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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.