Home / 21,312,848.70-31,969,273.05-14,510,403.90

Finding the Fourth Proportional to 21,312,848.70, 31,969,273.05 and 14,510,403.90

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Solution

The fourth proportional to 21,312,848.70, 31,969,273.05 and 14,510,403.90 is: 21,765,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,312,848.70 : 31,969,273.05 = 14,510,403.90 : x
  2. Step 2: Convert to fraction form
    21,312,848.70/31,969,273.05 = 14,510,403.90/x
  3. Step 3: Cross multiply
    21,312,848.70x = 31,969,273.05 × 14,510,403.90
  4. Step 4: Simplify right side
    21,312,848.70x = 463,887,064,344,884.94
  5. Step 5: Solve for x
    x = 463,887,064,344,884.94/21,312,848.70
  6. Step 6: Final answer
    x = 21,765,605.85

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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.