Home / 21,017,108.64-31,524,541.43-5,664,151.98

Finding the Fourth Proportional to 21,017,108.64, 31,524,541.43 and 5,664,151.98

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Solution

The fourth proportional to 21,017,108.64, 31,524,541.43 and 5,664,151.98 is: 8,495,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,017,108.64 : 31,524,541.43 = 5,664,151.98 : x
  2. Step 2: Convert to fraction form
    21,017,108.64/31,524,541.43 = 5,664,151.98/x
  3. Step 3: Cross multiply
    21,017,108.64x = 31,524,541.43 × 5,664,151.98
  4. Step 4: Simplify right side
    21,017,108.64x = 178,559,793,573,383.06
  5. Step 5: Solve for x
    x = 178,559,793,573,383.06/21,017,108.64
  6. Step 6: Final answer
    x = 8,495,925.71

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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.