Home / 8,297,465.80-12,455,529.90-6,412,563.40

Finding the Fourth Proportional to 8,297,465.80, 12,455,529.90 and 6,412,563.40

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Solution

The fourth proportional to 8,297,465.80, 12,455,529.90 and 6,412,563.40 is: 9,626,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297,465.80 : 12,455,529.90 = 6,412,563.40 : x
  2. Step 2: Convert to fraction form
    8,297,465.80/12,455,529.90 = 6,412,563.40/x
  3. Step 3: Cross multiply
    8,297,465.80x = 12,455,529.90 × 6,412,563.40
  4. Step 4: Simplify right side
    8,297,465.80x = 79,871,875,164,345.67
  5. Step 5: Solve for x
    x = 79,871,875,164,345.67/8,297,465.80
  6. Step 6: Final answer
    x = 9,626,056.57

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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.