Home / 13,365,900.54-18,441,781.32-7,564,682.16

Finding the Fourth Proportional to 13,365,900.54, 18,441,781.32 and 7,564,682.16

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Solution

The fourth proportional to 13,365,900.54, 18,441,781.32 and 7,564,682.16 is: 10,437,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,900.54 : 18,441,781.32 = 7,564,682.16 : x
  2. Step 2: Convert to fraction form
    13,365,900.54/18,441,781.32 = 7,564,682.16/x
  3. Step 3: Cross multiply
    13,365,900.54x = 18,441,781.32 × 7,564,682.16
  4. Step 4: Simplify right side
    13,365,900.54x = 139,506,214,150,025.25
  5. Step 5: Solve for x
    x = 139,506,214,150,025.25/13,365,900.54
  6. Step 6: Final answer
    x = 10,437,472.11

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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.