Home / 10,921,905.93-16,390,172.58-4,532,164.43

Finding the Fourth Proportional to 10,921,905.93, 16,390,172.58 and 4,532,164.43

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Solution

The fourth proportional to 10,921,905.93, 16,390,172.58 and 4,532,164.43 is: 6,801,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,905.93 : 16,390,172.58 = 4,532,164.43 : x
  2. Step 2: Convert to fraction form
    10,921,905.93/16,390,172.58 = 4,532,164.43/x
  3. Step 3: Cross multiply
    10,921,905.93x = 16,390,172.58 × 4,532,164.43
  4. Step 4: Simplify right side
    10,921,905.93x = 74,282,957,086,686.47
  5. Step 5: Solve for x
    x = 74,282,957,086,686.47/10,921,905.93
  6. Step 6: Final answer
    x = 6,801,281.53

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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.