Home / 42,997,231.40-64,495,847.10-12,291,751.40

Finding the Fourth Proportional to 42,997,231.40, 64,495,847.10 and 12,291,751.40

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Solution

The fourth proportional to 42,997,231.40, 64,495,847.10 and 12,291,751.40 is: 18,437,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,997,231.40 : 64,495,847.10 = 12,291,751.40 : x
  2. Step 2: Convert to fraction form
    42,997,231.40/64,495,847.10 = 12,291,751.40/x
  3. Step 3: Cross multiply
    42,997,231.40x = 64,495,847.10 × 12,291,751.40
  4. Step 4: Simplify right side
    42,997,231.40x = 792,766,918,885,611
  5. Step 5: Solve for x
    x = 792,766,918,885,611/42,997,231.40
  6. Step 6: Final answer
    x = 18,437,627.10

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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.