Home / 19,681,488.62-29,520,239.69-5,306,009.57

Finding the Fourth Proportional to 19,681,488.62, 29,520,239.69 and 5,306,009.57

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Solution

The fourth proportional to 19,681,488.62, 29,520,239.69 and 5,306,009.57 is: 7,958,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,488.62 : 29,520,239.69 = 5,306,009.57 : x
  2. Step 2: Convert to fraction form
    19,681,488.62/29,520,239.69 = 5,306,009.57/x
  3. Step 3: Cross multiply
    19,681,488.62x = 29,520,239.69 × 5,306,009.57
  4. Step 4: Simplify right side
    19,681,488.62x = 156,634,674,129,702.59
  5. Step 5: Solve for x
    x = 156,634,674,129,702.59/19,681,488.62
  6. Step 6: Final answer
    x = 7,958,476.98

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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.