Home / 13,221,308-19,840,351.44-5,648,330.72

Finding the Fourth Proportional to 13,221,308, 19,840,351.44 and 5,648,330.72

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Solution

The fourth proportional to 13,221,308, 19,840,351.44 and 5,648,330.72 is: 8,476,080.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221,308 : 19,840,351.44 = 5,648,330.72 : x
  2. Step 2: Convert to fraction form
    13,221,308/19,840,351.44 = 5,648,330.72/x
  3. Step 3: Cross multiply
    13,221,308x = 19,840,351.44 × 5,648,330.72
  4. Step 4: Simplify right side
    13,221,308x = 112,064,866,534,148.23
  5. Step 5: Solve for x
    x = 112,064,866,534,148.23/13,221,308
  6. Step 6: Final answer
    x = 8,476,080.17

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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.