Home / 13,158,998.20-19,710,503.70-10,919,510.20

Finding the Fourth Proportional to 13,158,998.20, 19,710,503.70 and 10,919,510.20

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Solution

The fourth proportional to 13,158,998.20, 19,710,503.70 and 10,919,510.20 is: 16,356,035.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158,998.20 : 19,710,503.70 = 10,919,510.20 : x
  2. Step 2: Convert to fraction form
    13,158,998.20/19,710,503.70 = 10,919,510.20/x
  3. Step 3: Cross multiply
    13,158,998.20x = 19,710,503.70 × 10,919,510.20
  4. Step 4: Simplify right side
    13,158,998.20x = 215,229,046,199,287.72
  5. Step 5: Solve for x
    x = 215,229,046,199,287.72/13,158,998.20
  6. Step 6: Final answer
    x = 16,356,035.84

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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.