Home / 38,490,905.27-53,117,430.86-23,020,989.59

Finding the Fourth Proportional to 38,490,905.27, 53,117,430.86 and 23,020,989.59

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Solution

The fourth proportional to 38,490,905.27, 53,117,430.86 and 23,020,989.59 is: 31,768,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,490,905.27 : 53,117,430.86 = 23,020,989.59 : x
  2. Step 2: Convert to fraction form
    38,490,905.27/53,117,430.86 = 23,020,989.59/x
  3. Step 3: Cross multiply
    38,490,905.27x = 53,117,430.86 × 23,020,989.59
  4. Step 4: Simplify right side
    38,490,905.27x = 1,222,815,822,494,912.50
  5. Step 5: Solve for x
    x = 1,222,815,822,494,912.50/38,490,905.27
  6. Step 6: Final answer
    x = 31,768,954.62

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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.