Home / 20,130,688.07-27,781,136.01-11,429,670.27

Finding the Fourth Proportional to 20,130,688.07, 27,781,136.01 and 11,429,670.27

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Solution

The fourth proportional to 20,130,688.07, 27,781,136.01 and 11,429,670.27 is: 15,773,391.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,688.07 : 27,781,136.01 = 11,429,670.27 : x
  2. Step 2: Convert to fraction form
    20,130,688.07/27,781,136.01 = 11,429,670.27/x
  3. Step 3: Cross multiply
    20,130,688.07x = 27,781,136.01 × 11,429,670.27
  4. Step 4: Simplify right side
    20,130,688.07x = 317,529,224,320,323.44
  5. Step 5: Solve for x
    x = 317,529,224,320,323.44/20,130,688.07
  6. Step 6: Final answer
    x = 15,773,391.52

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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.