Home / 15,606,262.11-21,522,417.54-13,400,439.33

Finding the Fourth Proportional to 15,606,262.11, 21,522,417.54 and 13,400,439.33

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Solution

The fourth proportional to 15,606,262.11, 21,522,417.54 and 13,400,439.33 is: 18,480,392.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606,262.11 : 21,522,417.54 = 13,400,439.33 : x
  2. Step 2: Convert to fraction form
    15,606,262.11/21,522,417.54 = 13,400,439.33/x
  3. Step 3: Cross multiply
    15,606,262.11x = 21,522,417.54 × 13,400,439.33
  4. Step 4: Simplify right side
    15,606,262.11x = 288,409,850,510,155.25
  5. Step 5: Solve for x
    x = 288,409,850,510,155.25/15,606,262.11
  6. Step 6: Final answer
    x = 18,480,392.58

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1.5x scale

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.