Home / 9,340,741.01-12,890,186.80-5,210,768.87

Finding the Fourth Proportional to 9,340,741.01, 12,890,186.80 and 5,210,768.87

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Solution

The fourth proportional to 9,340,741.01, 12,890,186.80 and 5,210,768.87 is: 7,190,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340,741.01 : 12,890,186.80 = 5,210,768.87 : x
  2. Step 2: Convert to fraction form
    9,340,741.01/12,890,186.80 = 5,210,768.87/x
  3. Step 3: Cross multiply
    9,340,741.01x = 12,890,186.80 × 5,210,768.87
  4. Step 4: Simplify right side
    9,340,741.01x = 67,167,784,105,924.92
  5. Step 5: Solve for x
    x = 67,167,784,105,924.92/9,340,741.01
  6. Step 6: Final answer
    x = 7,190,841.07

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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.