Home / 7,489,835.60-10,296,296.06-6,439,386.96

Finding the Fourth Proportional to 7,489,835.60, 10,296,296.06 and 6,439,386.96

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Solution

The fourth proportional to 7,489,835.60, 10,296,296.06 and 6,439,386.96 is: 8,852,241.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489,835.60 : 10,296,296.06 = 6,439,386.96 : x
  2. Step 2: Convert to fraction form
    7,489,835.60/10,296,296.06 = 6,439,386.96/x
  3. Step 3: Cross multiply
    7,489,835.60x = 10,296,296.06 × 6,439,386.96
  4. Step 4: Simplify right side
    7,489,835.60x = 66,301,834,533,581.90
  5. Step 5: Solve for x
    x = 66,301,834,533,581.90/7,489,835.60
  6. Step 6: Final answer
    x = 8,852,241.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.