Home / 31,976,020.20-47,953,532.70-11,778,637.80

Finding the Fourth Proportional to 31,976,020.20, 47,953,532.70 and 11,778,637.80

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Solution

The fourth proportional to 31,976,020.20, 47,953,532.70 and 11,778,637.80 is: 17,664,089.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,976,020.20 : 47,953,532.70 = 11,778,637.80 : x
  2. Step 2: Convert to fraction form
    31,976,020.20/47,953,532.70 = 11,778,637.80/x
  3. Step 3: Cross multiply
    31,976,020.20x = 47,953,532.70 × 11,778,637.80
  4. Step 4: Simplify right side
    31,976,020.20x = 564,827,292,903,756.12
  5. Step 5: Solve for x
    x = 564,827,292,903,756.12/31,976,020.20
  6. Step 6: Final answer
    x = 17,664,089.82

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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.