Home / 8,237,666.40-12,358,832.40-2,558,464.80

Finding the Fourth Proportional to 8,237,666.40, 12,358,832.40 and 2,558,464.80

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Solution

The fourth proportional to 8,237,666.40, 12,358,832.40 and 2,558,464.80 is: 3,838,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237,666.40 : 12,358,832.40 = 2,558,464.80 : x
  2. Step 2: Convert to fraction form
    8,237,666.40/12,358,832.40 = 2,558,464.80/x
  3. Step 3: Cross multiply
    8,237,666.40x = 12,358,832.40 × 2,558,464.80
  4. Step 4: Simplify right side
    8,237,666.40x = 31,619,637,664,499.52
  5. Step 5: Solve for x
    x = 31,619,637,664,499.52/8,237,666.40
  6. Step 6: Final answer
    x = 3,838,421.72

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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.