Home / 14,295,869.19-19,728,451.87-7,769,499.12

Finding the Fourth Proportional to 14,295,869.19, 19,728,451.87 and 7,769,499.12

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Solution

The fourth proportional to 14,295,869.19, 19,728,451.87 and 7,769,499.12 is: 10,721,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295,869.19 : 19,728,451.87 = 7,769,499.12 : x
  2. Step 2: Convert to fraction form
    14,295,869.19/19,728,451.87 = 7,769,499.12/x
  3. Step 3: Cross multiply
    14,295,869.19x = 19,728,451.87 × 7,769,499.12
  4. Step 4: Simplify right side
    14,295,869.19x = 153,280,189,423,503.59
  5. Step 5: Solve for x
    x = 153,280,189,423,503.59/14,295,869.19
  6. Step 6: Final answer
    x = 10,721,991.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.