Home / 8,455,544.40-12,673,985.40-4,671,742.80

Finding the Fourth Proportional to 8,455,544.40, 12,673,985.40 and 4,671,742.80

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Solution

The fourth proportional to 8,455,544.40, 12,673,985.40 and 4,671,742.80 is: 7,002,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455,544.40 : 12,673,985.40 = 4,671,742.80 : x
  2. Step 2: Convert to fraction form
    8,455,544.40/12,673,985.40 = 4,671,742.80/x
  3. Step 3: Cross multiply
    8,455,544.40x = 12,673,985.40 × 4,671,742.80
  4. Step 4: Simplify right side
    8,455,544.40x = 59,209,600,039,755.12
  5. Step 5: Solve for x
    x = 59,209,600,039,755.12/8,455,544.40
  6. Step 6: Final answer
    x = 7,002,458.65

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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.