Home / 28,015,899.12-42,025,136.52-8,583,733.52

Finding the Fourth Proportional to 28,015,899.12, 42,025,136.52 and 8,583,733.52

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Solution

The fourth proportional to 28,015,899.12, 42,025,136.52 and 8,583,733.52 is: 12,875,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015,899.12 : 42,025,136.52 = 8,583,733.52 : x
  2. Step 2: Convert to fraction form
    28,015,899.12/42,025,136.52 = 8,583,733.52/x
  3. Step 3: Cross multiply
    28,015,899.12x = 42,025,136.52 × 8,583,733.52
  4. Step 4: Simplify right side
    28,015,899.12x = 360,732,573,029,300.19
  5. Step 5: Solve for x
    x = 360,732,573,029,300.19/28,015,899.12
  6. Step 6: Final answer
    x = 12,875,994.86

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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.