Home / 20,581,935.30-30,872,902.95-5,435,866.80

Finding the Fourth Proportional to 20,581,935.30, 30,872,902.95 and 5,435,866.80

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Solution

The fourth proportional to 20,581,935.30, 30,872,902.95 and 5,435,866.80 is: 8,153,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581,935.30 : 30,872,902.95 = 5,435,866.80 : x
  2. Step 2: Convert to fraction form
    20,581,935.30/30,872,902.95 = 5,435,866.80/x
  3. Step 3: Cross multiply
    20,581,935.30x = 30,872,902.95 × 5,435,866.80
  4. Step 4: Simplify right side
    20,581,935.30x = 167,820,988,165,527.06
  5. Step 5: Solve for x
    x = 167,820,988,165,527.06/20,581,935.30
  6. Step 6: Final answer
    x = 8,153,800.20

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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.