Home / 7,128,857.16-10,689,015.18-2,269,064.34

Finding the Fourth Proportional to 7,128,857.16, 10,689,015.18 and 2,269,064.34

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Solution

The fourth proportional to 7,128,857.16, 10,689,015.18 and 2,269,064.34 is: 3,402,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,857.16 : 10,689,015.18 = 2,269,064.34 : x
  2. Step 2: Convert to fraction form
    7,128,857.16/10,689,015.18 = 2,269,064.34/x
  3. Step 3: Cross multiply
    7,128,857.16x = 10,689,015.18 × 2,269,064.34
  4. Step 4: Simplify right side
    7,128,857.16x = 24,254,063,174,656.68
  5. Step 5: Solve for x
    x = 24,254,063,174,656.68/7,128,857.16
  6. Step 6: Final answer
    x = 3,402,237.22

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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.