Home / 43,047,011.36-64,570,750.32-12,755,136.80

Finding the Fourth Proportional to 43,047,011.36, 64,570,750.32 and 12,755,136.80

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Solution

The fourth proportional to 43,047,011.36, 64,570,750.32 and 12,755,136.80 is: 19,132,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,047,011.36 : 64,570,750.32 = 12,755,136.80 : x
  2. Step 2: Convert to fraction form
    43,047,011.36/64,570,750.32 = 12,755,136.80/x
  3. Step 3: Cross multiply
    43,047,011.36x = 64,570,750.32 × 12,755,136.80
  4. Step 4: Simplify right side
    43,047,011.36x = 823,608,753,610,243.88
  5. Step 5: Solve for x
    x = 823,608,753,610,243.88/43,047,011.36
  6. Step 6: Final answer
    x = 19,132,774.32

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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.