Home / 7,781,187.07-10,738,948.98-6,472,129.60

Finding the Fourth Proportional to 7,781,187.07, 10,738,948.98 and 6,472,129.60

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Solution

The fourth proportional to 7,781,187.07, 10,738,948.98 and 6,472,129.60 is: 8,932,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781,187.07 : 10,738,948.98 = 6,472,129.60 : x
  2. Step 2: Convert to fraction form
    7,781,187.07/10,738,948.98 = 6,472,129.60/x
  3. Step 3: Cross multiply
    7,781,187.07x = 10,738,948.98 × 6,472,129.60
  4. Step 4: Simplify right side
    7,781,187.07x = 69,503,869,566,347.80
  5. Step 5: Solve for x
    x = 69,503,869,566,347.80/7,781,187.07
  6. Step 6: Final answer
    x = 8,932,296.44

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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.