Home / 7,237,593.20-10,856,389.80-1,918,809.20

Finding the Fourth Proportional to 7,237,593.20, 10,856,389.80 and 1,918,809.20

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Solution

The fourth proportional to 7,237,593.20, 10,856,389.80 and 1,918,809.20 is: 2,878,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237,593.20 : 10,856,389.80 = 1,918,809.20 : x
  2. Step 2: Convert to fraction form
    7,237,593.20/10,856,389.80 = 1,918,809.20/x
  3. Step 3: Cross multiply
    7,237,593.20x = 10,856,389.80 × 1,918,809.20
  4. Step 4: Simplify right side
    7,237,593.20x = 20,831,340,627,026.16
  5. Step 5: Solve for x
    x = 20,831,340,627,026.16/7,237,593.20
  6. Step 6: Final answer
    x = 2,878,213.80

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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.