Home / 42,885,213.60-64,336,114.80-12,594,064.80

Finding the Fourth Proportional to 42,885,213.60, 64,336,114.80 and 12,594,064.80

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Solution

The fourth proportional to 42,885,213.60, 64,336,114.80 and 12,594,064.80 is: 18,893,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,885,213.60 : 64,336,114.80 = 12,594,064.80 : x
  2. Step 2: Convert to fraction form
    42,885,213.60/64,336,114.80 = 12,594,064.80/x
  3. Step 3: Cross multiply
    42,885,213.60x = 64,336,114.80 × 12,594,064.80
  4. Step 4: Simplify right side
    42,885,213.60x = 810,253,198,771,439
  5. Step 5: Solve for x
    x = 810,253,198,771,439/42,885,213.60
  6. Step 6: Final answer
    x = 18,893,533.01

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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.