Home / 20,130,685.02-27,781,131.83-11,429,667.25

Finding the Fourth Proportional to 20,130,685.02, 27,781,131.83 and 11,429,667.25

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Solution

The fourth proportional to 20,130,685.02, 27,781,131.83 and 11,429,667.25 is: 15,773,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,685.02 : 27,781,131.83 = 11,429,667.25 : x
  2. Step 2: Convert to fraction form
    20,130,685.02/27,781,131.83 = 11,429,667.25/x
  3. Step 3: Cross multiply
    20,130,685.02x = 27,781,131.83 × 11,429,667.25
  4. Step 4: Simplify right side
    20,130,685.02x = 317,529,092,616,709.38
  5. Step 5: Solve for x
    x = 317,529,092,616,709.38/20,130,685.02
  6. Step 6: Final answer
    x = 15,773,387.36

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1.5x scale

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.