Home / 13,245,966.32-19,852,328.27-5,664,016.40

Finding the Fourth Proportional to 13,245,966.32, 19,852,328.27 and 5,664,016.40

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Solution

The fourth proportional to 13,245,966.32, 19,852,328.27 and 5,664,016.40 is: 8,488,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245,966.32 : 19,852,328.27 = 5,664,016.40 : x
  2. Step 2: Convert to fraction form
    13,245,966.32/19,852,328.27 = 5,664,016.40/x
  3. Step 3: Cross multiply
    13,245,966.32x = 19,852,328.27 × 5,664,016.40
  4. Step 4: Simplify right side
    13,245,966.32x = 112,443,912,814,362.03
  5. Step 5: Solve for x
    x = 112,443,912,814,362.03/13,245,966.32
  6. Step 6: Final answer
    x = 8,488,917.32

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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.