Home / 20,736,640.60-31,050,528.90-14,638,442.20

Finding the Fourth Proportional to 20,736,640.60, 31,050,528.90 and 14,638,442.20

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Solution

The fourth proportional to 20,736,640.60, 31,050,528.90 and 14,638,442.20 is: 21,919,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,640.60 : 31,050,528.90 = 14,638,442.20 : x
  2. Step 2: Convert to fraction form
    20,736,640.60/31,050,528.90 = 14,638,442.20/x
  3. Step 3: Cross multiply
    20,736,640.60x = 31,050,528.90 × 14,638,442.20
  4. Step 4: Simplify right side
    20,736,640.60x = 454,531,372,582,079.56
  5. Step 5: Solve for x
    x = 454,531,372,582,079.56/20,736,640.60
  6. Step 6: Final answer
    x = 21,919,238.58

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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.