Home / 37,931,661.57-52,345,692.34-20,528,006.80

Finding the Fourth Proportional to 37,931,661.57, 52,345,692.34 and 20,528,006.80

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Solution

The fourth proportional to 37,931,661.57, 52,345,692.34 and 20,528,006.80 is: 28,328,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,931,661.57 : 52,345,692.34 = 20,528,006.80 : x
  2. Step 2: Convert to fraction form
    37,931,661.57/52,345,692.34 = 20,528,006.80/x
  3. Step 3: Cross multiply
    37,931,661.57x = 52,345,692.34 × 20,528,006.80
  4. Step 4: Simplify right side
    37,931,661.57x = 1,074,552,727,994,078.38
  5. Step 5: Solve for x
    x = 1,074,552,727,994,078.38/37,931,661.57
  6. Step 6: Final answer
    x = 28,328,649.03

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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.