Home / 15,881,409.60-23,759,128.80-13,774,891.20

Finding the Fourth Proportional to 15,881,409.60, 23,759,128.80 and 13,774,891.20

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Solution

The fourth proportional to 15,881,409.60, 23,759,128.80 and 13,774,891.20 is: 20,607,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881,409.60 : 23,759,128.80 = 13,774,891.20 : x
  2. Step 2: Convert to fraction form
    15,881,409.60/23,759,128.80 = 13,774,891.20/x
  3. Step 3: Cross multiply
    15,881,409.60x = 23,759,128.80 × 13,774,891.20
  4. Step 4: Simplify right side
    15,881,409.60x = 327,279,414,226,786.56
  5. Step 5: Solve for x
    x = 327,279,414,226,786.56/15,881,409.60
  6. Step 6: Final answer
    x = 20,607,705.64

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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.