Home / 23,001,042.40-31,738,985.82-12,687,764.68

Finding the Fourth Proportional to 23,001,042.40, 31,738,985.82 and 12,687,764.68

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Solution

The fourth proportional to 23,001,042.40, 31,738,985.82 and 12,687,764.68 is: 17,507,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,001,042.40 : 31,738,985.82 = 12,687,764.68 : x
  2. Step 2: Convert to fraction form
    23,001,042.40/31,738,985.82 = 12,687,764.68/x
  3. Step 3: Cross multiply
    23,001,042.40x = 31,738,985.82 × 12,687,764.68
  4. Step 4: Simplify right side
    23,001,042.40x = 402,696,783,266,016.81
  5. Step 5: Solve for x
    x = 402,696,783,266,016.81/23,001,042.40
  6. Step 6: Final answer
    x = 17,507,762.31

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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.