Home / 42,839,039.25-64,267,777.36-13,294,645.96

Finding the Fourth Proportional to 42,839,039.25, 64,267,777.36 and 13,294,645.96

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Solution

The fourth proportional to 42,839,039.25, 64,267,777.36 and 13,294,645.96 is: 19,944,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,839,039.25 : 64,267,777.36 = 13,294,645.96 : x
  2. Step 2: Convert to fraction form
    42,839,039.25/64,267,777.36 = 13,294,645.96/x
  3. Step 3: Cross multiply
    42,839,039.25x = 64,267,777.36 × 13,294,645.96
  4. Step 4: Simplify right side
    42,839,039.25x = 854,417,346,637,303.50
  5. Step 5: Solve for x
    x = 854,417,346,637,303.50/42,839,039.25
  6. Step 6: Final answer
    x = 19,944,829.80

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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.