Home / 12,374,783.64-18,561,890.34-7,289,473.23

Finding the Fourth Proportional to 12,374,783.64, 18,561,890.34 and 7,289,473.23

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Solution

The fourth proportional to 12,374,783.64, 18,561,890.34 and 7,289,473.23 is: 10,934,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374,783.64 : 18,561,890.34 = 7,289,473.23 : x
  2. Step 2: Convert to fraction form
    12,374,783.64/18,561,890.34 = 7,289,473.23/x
  3. Step 3: Cross multiply
    12,374,783.64x = 18,561,890.34 × 7,289,473.23
  4. Step 4: Simplify right side
    12,374,783.64x = 135,306,402,731,625.61
  5. Step 5: Solve for x
    x = 135,306,402,731,625.61/12,374,783.64
  6. Step 6: Final answer
    x = 10,934,041.89

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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.