Home / 31,939,151.40-47,908,727.10-19,174,069.80

Finding the Fourth Proportional to 31,939,151.40, 47,908,727.10 and 19,174,069.80

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Solution

The fourth proportional to 31,939,151.40, 47,908,727.10 and 19,174,069.80 is: 28,761,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,939,151.40 : 47,908,727.10 = 19,174,069.80 : x
  2. Step 2: Convert to fraction form
    31,939,151.40/47,908,727.10 = 19,174,069.80/x
  3. Step 3: Cross multiply
    31,939,151.40x = 47,908,727.10 × 19,174,069.80
  4. Step 4: Simplify right side
    31,939,151.40x = 918,605,277,444,551.62
  5. Step 5: Solve for x
    x = 918,605,277,444,551.62/31,939,151.40
  6. Step 6: Final answer
    x = 28,761,104.70

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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.