Home / 10,643,136.60-15,964,704.90-7,241,914.20

Finding the Fourth Proportional to 10,643,136.60, 15,964,704.90 and 7,241,914.20

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Solution

The fourth proportional to 10,643,136.60, 15,964,704.90 and 7,241,914.20 is: 10,862,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643,136.60 : 15,964,704.90 = 7,241,914.20 : x
  2. Step 2: Convert to fraction form
    10,643,136.60/15,964,704.90 = 7,241,914.20/x
  3. Step 3: Cross multiply
    10,643,136.60x = 15,964,704.90 × 7,241,914.20
  4. Step 4: Simplify right side
    10,643,136.60x = 115,615,023,114,119.58
  5. Step 5: Solve for x
    x = 115,615,023,114,119.58/10,643,136.60
  6. Step 6: Final answer
    x = 10,862,871.30

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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.