Home / 8,189,637.40-12,236,482.34-7,903,228.22

Finding the Fourth Proportional to 8,189,637.40, 12,236,482.34 and 7,903,228.22

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Solution

The fourth proportional to 8,189,637.40, 12,236,482.34 and 7,903,228.22 is: 11,808,546.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,637.40 : 12,236,482.34 = 7,903,228.22 : x
  2. Step 2: Convert to fraction form
    8,189,637.40/12,236,482.34 = 7,903,228.22/x
  3. Step 3: Cross multiply
    8,189,637.40x = 12,236,482.34 × 7,903,228.22
  4. Step 4: Simplify right side
    8,189,637.40x = 96,707,712,543,019.62
  5. Step 5: Solve for x
    x = 96,707,712,543,019.62/8,189,637.40
  6. Step 6: Final answer
    x = 11,808,546.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.