Home / 17,028,896.52-23,519,426.02-12,403,289.40

Finding the Fourth Proportional to 17,028,896.52, 23,519,426.02 and 12,403,289.40

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Solution

The fourth proportional to 17,028,896.52, 23,519,426.02 and 12,403,289.40 is: 17,130,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,028,896.52 : 23,519,426.02 = 12,403,289.40 : x
  2. Step 2: Convert to fraction form
    17,028,896.52/23,519,426.02 = 12,403,289.40/x
  3. Step 3: Cross multiply
    17,028,896.52x = 23,519,426.02 × 12,403,289.40
  4. Step 4: Simplify right side
    17,028,896.52x = 291,718,247,447,950.19
  5. Step 5: Solve for x
    x = 291,718,247,447,950.19/17,028,896.52
  6. Step 6: Final answer
    x = 17,130,778.09

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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.