Home / 10,687,939.50-14,750,932.32-6,768,053.40

Finding the Fourth Proportional to 10,687,939.50, 14,750,932.32 and 6,768,053.40

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Solution

The fourth proportional to 10,687,939.50, 14,750,932.32 and 6,768,053.40 is: 9,340,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687,939.50 : 14,750,932.32 = 6,768,053.40 : x
  2. Step 2: Convert to fraction form
    10,687,939.50/14,750,932.32 = 6,768,053.40/x
  3. Step 3: Cross multiply
    10,687,939.50x = 14,750,932.32 × 6,768,053.40
  4. Step 4: Simplify right side
    10,687,939.50x = 99,835,097,641,545.89
  5. Step 5: Solve for x
    x = 99,835,097,641,545.89/10,687,939.50
  6. Step 6: Final answer
    x = 9,340,911.56

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1.5x scale

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.