Home / 13,293,886.32-19,940,828.40-4,202,369.28

Finding the Fourth Proportional to 13,293,886.32, 19,940,828.40 and 4,202,369.28

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Solution

The fourth proportional to 13,293,886.32, 19,940,828.40 and 4,202,369.28 is: 6,303,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293,886.32 : 19,940,828.40 = 4,202,369.28 : x
  2. Step 2: Convert to fraction form
    13,293,886.32/19,940,828.40 = 4,202,369.28/x
  3. Step 3: Cross multiply
    13,293,886.32x = 19,940,828.40 × 4,202,369.28
  4. Step 4: Simplify right side
    13,293,886.32x = 83,798,724,685,911.55
  5. Step 5: Solve for x
    x = 83,798,724,685,911.55/13,293,886.32
  6. Step 6: Final answer
    x = 6,303,553.58

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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.