Home / 10,877,465.40-16,328,007.90-6,838,513.80

Finding the Fourth Proportional to 10,877,465.40, 16,328,007.90 and 6,838,513.80

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Solution

The fourth proportional to 10,877,465.40, 16,328,007.90 and 6,838,513.80 is: 10,265,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877,465.40 : 16,328,007.90 = 6,838,513.80 : x
  2. Step 2: Convert to fraction form
    10,877,465.40/16,328,007.90 = 6,838,513.80/x
  3. Step 3: Cross multiply
    10,877,465.40x = 16,328,007.90 × 6,838,513.80
  4. Step 4: Simplify right side
    10,877,465.40x = 111,659,307,350,659.02
  5. Step 5: Solve for x
    x = 111,659,307,350,659.02/10,877,465.40
  6. Step 6: Final answer
    x = 10,265,195.36

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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.