Home / 13,134,561.60-19,717,588.80-7,381,876.80

Finding the Fourth Proportional to 13,134,561.60, 19,717,588.80 and 7,381,876.80

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Solution

The fourth proportional to 13,134,561.60, 19,717,588.80 and 7,381,876.80 is: 11,081,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,561.60 : 19,717,588.80 = 7,381,876.80 : x
  2. Step 2: Convert to fraction form
    13,134,561.60/19,717,588.80 = 7,381,876.80/x
  3. Step 3: Cross multiply
    13,134,561.60x = 19,717,588.80 × 7,381,876.80
  4. Step 4: Simplify right side
    13,134,561.60x = 145,552,811,314,659.84
  5. Step 5: Solve for x
    x = 145,552,811,314,659.84/13,134,561.60
  6. Step 6: Final answer
    x = 11,081,664.98

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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.