Home / 12,335,998.40-18,501,956.40-4,138,539.20

Finding the Fourth Proportional to 12,335,998.40, 18,501,956.40 and 4,138,539.20

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Solution

The fourth proportional to 12,335,998.40, 18,501,956.40 and 4,138,539.20 is: 6,207,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335,998.40 : 18,501,956.40 = 4,138,539.20 : x
  2. Step 2: Convert to fraction form
    12,335,998.40/18,501,956.40 = 4,138,539.20/x
  3. Step 3: Cross multiply
    12,335,998.40x = 18,501,956.40 × 4,138,539.20
  4. Step 4: Simplify right side
    12,335,998.40x = 76,571,071,838,090.88
  5. Step 5: Solve for x
    x = 76,571,071,838,090.88/12,335,998.40
  6. Step 6: Final answer
    x = 6,207,124.01

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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.