Home / 19,681,488.12-29,520,238.93-5,306,009.07

Finding the Fourth Proportional to 19,681,488.12, 29,520,238.93 and 5,306,009.07

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Solution

The fourth proportional to 19,681,488.12, 29,520,238.93 and 5,306,009.07 is: 7,958,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,488.12 : 29,520,238.93 = 5,306,009.07 : x
  2. Step 2: Convert to fraction form
    19,681,488.12/29,520,238.93 = 5,306,009.07/x
  3. Step 3: Cross multiply
    19,681,488.12x = 29,520,238.93 × 5,306,009.07
  4. Step 4: Simplify right side
    19,681,488.12x = 156,634,655,511,147.09
  5. Step 5: Solve for x
    x = 156,634,655,511,147.09/19,681,488.12
  6. Step 6: Final answer
    x = 7,958,476.24

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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.