Home / 12,241,810.40-18,346,969.20-7,444,407.20

Finding the Fourth Proportional to 12,241,810.40, 18,346,969.20 and 7,444,407.20

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Solution

The fourth proportional to 12,241,810.40, 18,346,969.20 and 7,444,407.20 is: 11,157,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,810.40 : 18,346,969.20 = 7,444,407.20 : x
  2. Step 2: Convert to fraction form
    12,241,810.40/18,346,969.20 = 7,444,407.20/x
  3. Step 3: Cross multiply
    12,241,810.40x = 18,346,969.20 × 7,444,407.20
  4. Step 4: Simplify right side
    12,241,810.40x = 136,582,309,610,658.23
  5. Step 5: Solve for x
    x = 136,582,309,610,658.23/12,241,810.40
  6. Step 6: Final answer
    x = 11,157,035.21

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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.