Home / 38,604,315.92-53,273,762.30-20,963,060.84

Finding the Fourth Proportional to 38,604,315.92, 53,273,762.30 and 20,963,060.84

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Solution

The fourth proportional to 38,604,315.92, 53,273,762.30 and 20,963,060.84 is: 28,928,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,604,315.92 : 53,273,762.30 = 20,963,060.84 : x
  2. Step 2: Convert to fraction form
    38,604,315.92/53,273,762.30 = 20,963,060.84/x
  3. Step 3: Cross multiply
    38,604,315.92x = 53,273,762.30 × 20,963,060.84
  4. Step 4: Simplify right side
    38,604,315.92x = 1,116,781,120,456,190.50
  5. Step 5: Solve for x
    x = 1,116,781,120,456,190.50/38,604,315.92
  6. Step 6: Final answer
    x = 28,928,918.80

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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.