Home / 28,376,684.19-42,565,026.74-6,811,285.86

Finding the Fourth Proportional to 28,376,684.19, 42,565,026.74 and 6,811,285.86

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Solution

The fourth proportional to 28,376,684.19, 42,565,026.74 and 6,811,285.86 is: 10,216,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376,684.19 : 42,565,026.74 = 6,811,285.86 : x
  2. Step 2: Convert to fraction form
    28,376,684.19/42,565,026.74 = 6,811,285.86/x
  3. Step 3: Cross multiply
    28,376,684.19x = 42,565,026.74 × 6,811,285.86
  4. Step 4: Simplify right side
    28,376,684.19x = 289,922,564,730,627.50
  5. Step 5: Solve for x
    x = 289,922,564,730,627.50/28,376,684.19
  6. Step 6: Final answer
    x = 10,216,928.90

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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.