Home / 20,065,320.93-30,090,598.73-6,931,397.55

Finding the Fourth Proportional to 20,065,320.93, 30,090,598.73 and 6,931,397.55

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Solution

The fourth proportional to 20,065,320.93, 30,090,598.73 and 6,931,397.55 is: 10,394,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,320.93 : 30,090,598.73 = 6,931,397.55 : x
  2. Step 2: Convert to fraction form
    20,065,320.93/30,090,598.73 = 6,931,397.55/x
  3. Step 3: Cross multiply
    20,065,320.93x = 30,090,598.73 × 6,931,397.55
  4. Step 4: Simplify right side
    20,065,320.93x = 208,569,902,280,498.12
  5. Step 5: Solve for x
    x = 208,569,902,280,498.12/20,065,320.93
  6. Step 6: Final answer
    x = 10,394,546.04

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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.