Home / 28,595,317.68-42,895,783.17-8,125,981.83

Finding the Fourth Proportional to 28,595,317.68, 42,895,783.17 and 8,125,981.83

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Solution

The fourth proportional to 28,595,317.68, 42,895,783.17 and 8,125,981.83 is: 12,189,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595,317.68 : 42,895,783.17 = 8,125,981.83 : x
  2. Step 2: Convert to fraction form
    28,595,317.68/42,895,783.17 = 8,125,981.83/x
  3. Step 3: Cross multiply
    28,595,317.68x = 42,895,783.17 × 8,125,981.83
  4. Step 4: Simplify right side
    28,595,317.68x = 348,570,354,623,039.81
  5. Step 5: Solve for x
    x = 348,570,354,623,039.81/28,595,317.68
  6. Step 6: Final answer
    x = 12,189,770.32

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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.