Home / 28,008,085.20-42,012,127.80-6,732,949.20

Finding the Fourth Proportional to 28,008,085.20, 42,012,127.80 and 6,732,949.20

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Solution

The fourth proportional to 28,008,085.20, 42,012,127.80 and 6,732,949.20 is: 10,099,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,008,085.20 : 42,012,127.80 = 6,732,949.20 : x
  2. Step 2: Convert to fraction form
    28,008,085.20/42,012,127.80 = 6,732,949.20/x
  3. Step 3: Cross multiply
    28,008,085.20x = 42,012,127.80 × 6,732,949.20
  4. Step 4: Simplify right side
    28,008,085.20x = 282,865,522,261,307.75
  5. Step 5: Solve for x
    x = 282,865,522,261,307.75/28,008,085.20
  6. Step 6: Final answer
    x = 10,099,423.80

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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.