Home / 30,920,543.76-46,380,518.64-18,793,353.36

Finding the Fourth Proportional to 30,920,543.76, 46,380,518.64 and 18,793,353.36

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Solution

The fourth proportional to 30,920,543.76, 46,380,518.64 and 18,793,353.36 is: 28,189,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,920,543.76 : 46,380,518.64 = 18,793,353.36 : x
  2. Step 2: Convert to fraction form
    30,920,543.76/46,380,518.64 = 18,793,353.36/x
  3. Step 3: Cross multiply
    30,920,543.76x = 46,380,518.64 × 18,793,353.36
  4. Step 4: Simplify right side
    30,920,543.76x = 871,645,475,821,586.62
  5. Step 5: Solve for x
    x = 871,645,475,821,586.62/30,920,543.76
  6. Step 6: Final answer
    x = 28,189,849.52

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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.