Home / 21,307,999.70-31,961,999.55-14,505,554.90

Finding the Fourth Proportional to 21,307,999.70, 31,961,999.55 and 14,505,554.90

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Solution

The fourth proportional to 21,307,999.70, 31,961,999.55 and 14,505,554.90 is: 21,758,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,307,999.70 : 31,961,999.55 = 14,505,554.90 : x
  2. Step 2: Convert to fraction form
    21,307,999.70/31,961,999.55 = 14,505,554.90/x
  3. Step 3: Cross multiply
    21,307,999.70x = 31,961,999.55 × 14,505,554.90
  4. Step 4: Simplify right side
    21,307,999.70x = 463,626,539,186,300.31
  5. Step 5: Solve for x
    x = 463,626,539,186,300.31/21,307,999.70
  6. Step 6: Final answer
    x = 21,758,332.35

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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.