Home / 13,964,707.87-19,269,025.98-7,769,595.40

Finding the Fourth Proportional to 13,964,707.87, 19,269,025.98 and 7,769,595.40

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Solution

The fourth proportional to 13,964,707.87, 19,269,025.98 and 7,769,595.40 is: 10,720,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964,707.87 : 19,269,025.98 = 7,769,595.40 : x
  2. Step 2: Convert to fraction form
    13,964,707.87/19,269,025.98 = 7,769,595.40/x
  3. Step 3: Cross multiply
    13,964,707.87x = 19,269,025.98 × 7,769,595.40
  4. Step 4: Simplify right side
    13,964,707.87x = 149,712,535,520,343.34
  5. Step 5: Solve for x
    x = 149,712,535,520,343.34/13,964,707.87
  6. Step 6: Final answer
    x = 10,720,778.19

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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.