Home / 20,338,049.08-30,507,122.90-4,985,407.50

Finding the Fourth Proportional to 20,338,049.08, 30,507,122.90 and 4,985,407.50

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Solution

The fourth proportional to 20,338,049.08, 30,507,122.90 and 4,985,407.50 is: 7,478,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,338,049.08 : 30,507,122.90 = 4,985,407.50 : x
  2. Step 2: Convert to fraction form
    20,338,049.08/30,507,122.90 = 4,985,407.50/x
  3. Step 3: Cross multiply
    20,338,049.08x = 30,507,122.90 × 4,985,407.50
  4. Step 4: Simplify right side
    20,338,049.08x = 152,090,439,309,081.75
  5. Step 5: Solve for x
    x = 152,090,439,309,081.75/20,338,049.08
  6. Step 6: Final answer
    x = 7,478,123.33

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1.5x scale

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.