Home / 13,184,832.17-19,782,931.66-7,118,359.31

Finding the Fourth Proportional to 13,184,832.17, 19,782,931.66 and 7,118,359.31

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Solution

The fourth proportional to 13,184,832.17, 19,782,931.66 and 7,118,359.31 is: 10,680,607.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184,832.17 : 19,782,931.66 = 7,118,359.31 : x
  2. Step 2: Convert to fraction form
    13,184,832.17/19,782,931.66 = 7,118,359.31/x
  3. Step 3: Cross multiply
    13,184,832.17x = 19,782,931.66 × 7,118,359.31
  4. Step 4: Simplify right side
    13,184,832.17x = 140,822,015,792,716.19
  5. Step 5: Solve for x
    x = 140,822,015,792,716.19/13,184,832.17
  6. Step 6: Final answer
    x = 10,680,607.38

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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.