Home / 19,778,461.80-29,667,692.70-11,700,558.60

Finding the Fourth Proportional to 19,778,461.80, 29,667,692.70 and 11,700,558.60

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Solution

The fourth proportional to 19,778,461.80, 29,667,692.70 and 11,700,558.60 is: 17,550,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778,461.80 : 29,667,692.70 = 11,700,558.60 : x
  2. Step 2: Convert to fraction form
    19,778,461.80/29,667,692.70 = 11,700,558.60/x
  3. Step 3: Cross multiply
    19,778,461.80x = 29,667,692.70 × 11,700,558.60
  4. Step 4: Simplify right side
    19,778,461.80x = 347,128,576,963,142.19
  5. Step 5: Solve for x
    x = 347,128,576,963,142.19/19,778,461.80
  6. Step 6: Final answer
    x = 17,550,837.90

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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.