Home / 15,492,336.18-21,379,126.14-8,522,606.40

Finding the Fourth Proportional to 15,492,336.18, 21,379,126.14 and 8,522,606.40

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Solution

The fourth proportional to 15,492,336.18, 21,379,126.14 and 8,522,606.40 is: 11,761,033.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492,336.18 : 21,379,126.14 = 8,522,606.40 : x
  2. Step 2: Convert to fraction form
    15,492,336.18/21,379,126.14 = 8,522,606.40/x
  3. Step 3: Cross multiply
    15,492,336.18x = 21,379,126.14 × 8,522,606.40
  4. Step 4: Simplify right side
    15,492,336.18x = 182,205,877,267,171.31
  5. Step 5: Solve for x
    x = 182,205,877,267,171.31/15,492,336.18
  6. Step 6: Final answer
    x = 11,761,033.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.