Home / 13,111,543.80-19,667,315.70-8,065,697.40

Finding the Fourth Proportional to 13,111,543.80, 19,667,315.70 and 8,065,697.40

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Solution

The fourth proportional to 13,111,543.80, 19,667,315.70 and 8,065,697.40 is: 12,098,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111,543.80 : 19,667,315.70 = 8,065,697.40 : x
  2. Step 2: Convert to fraction form
    13,111,543.80/19,667,315.70 = 8,065,697.40/x
  3. Step 3: Cross multiply
    13,111,543.80x = 19,667,315.70 × 8,065,697.40
  4. Step 4: Simplify right side
    13,111,543.80x = 158,630,617,106,469.19
  5. Step 5: Solve for x
    x = 158,630,617,106,469.19/13,111,543.80
  6. Step 6: Final answer
    x = 12,098,546.10

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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.