Home / 31,289,386.60-43,178,582.82-17,350,664.68

Finding the Fourth Proportional to 31,289,386.60, 43,178,582.82 and 17,350,664.68

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Solution

The fourth proportional to 31,289,386.60, 43,178,582.82 and 17,350,664.68 is: 23,943,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,289,386.60 : 43,178,582.82 = 17,350,664.68 : x
  2. Step 2: Convert to fraction form
    31,289,386.60/43,178,582.82 = 17,350,664.68/x
  3. Step 3: Cross multiply
    31,289,386.60x = 43,178,582.82 × 17,350,664.68
  4. Step 4: Simplify right side
    31,289,386.60x = 749,177,111,867,428.75
  5. Step 5: Solve for x
    x = 749,177,111,867,428.75/31,289,386.60
  6. Step 6: Final answer
    x = 23,943,489.89

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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.