Home / 10,751,811.40-16,127,717.10-9,930,665.80

Finding the Fourth Proportional to 10,751,811.40, 16,127,717.10 and 9,930,665.80

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Solution

The fourth proportional to 10,751,811.40, 16,127,717.10 and 9,930,665.80 is: 14,895,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751,811.40 : 16,127,717.10 = 9,930,665.80 : x
  2. Step 2: Convert to fraction form
    10,751,811.40/16,127,717.10 = 9,930,665.80/x
  3. Step 3: Cross multiply
    10,751,811.40x = 16,127,717.10 × 9,930,665.80
  4. Step 4: Simplify right side
    10,751,811.40x = 160,158,968,637,045.19
  5. Step 5: Solve for x
    x = 160,158,968,637,045.19/10,751,811.40
  6. Step 6: Final answer
    x = 14,895,998.70

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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.