Home / 15,009,700.01-20,713,403.72-8,134,182.07

Finding the Fourth Proportional to 15,009,700.01, 20,713,403.72 and 8,134,182.07

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Solution

The fourth proportional to 15,009,700.01, 20,713,403.72 and 8,134,182.07 is: 11,225,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,700.01 : 20,713,403.72 = 8,134,182.07 : x
  2. Step 2: Convert to fraction form
    15,009,700.01/20,713,403.72 = 8,134,182.07/x
  3. Step 3: Cross multiply
    15,009,700.01x = 20,713,403.72 × 8,134,182.07
  4. Step 4: Simplify right side
    15,009,700.01x = 168,486,597,147,895.31
  5. Step 5: Solve for x
    x = 168,486,597,147,895.31/15,009,700.01
  6. Step 6: Final answer
    x = 11,225,180.85

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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.