Home / 20,615,271.62-30,926,893.35-7,834,779.95

Finding the Fourth Proportional to 20,615,271.62, 30,926,893.35 and 7,834,779.95

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Solution

The fourth proportional to 20,615,271.62, 30,926,893.35 and 7,834,779.95 is: 11,753,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615,271.62 : 30,926,893.35 = 7,834,779.95 : x
  2. Step 2: Convert to fraction form
    20,615,271.62/30,926,893.35 = 7,834,779.95/x
  3. Step 3: Cross multiply
    20,615,271.62x = 30,926,893.35 × 7,834,779.95
  4. Step 4: Simplify right side
    20,615,271.62x = 242,305,403,934,368.34
  5. Step 5: Solve for x
    x = 242,305,403,934,368.34/20,615,271.62
  6. Step 6: Final answer
    x = 11,753,684.76

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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.