Home / 42,955,358.88-64,439,089.68-13,799,420.64

Finding the Fourth Proportional to 42,955,358.88, 64,439,089.68 and 13,799,420.64

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Solution

The fourth proportional to 42,955,358.88, 64,439,089.68 and 13,799,420.64 is: 20,701,074.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,955,358.88 : 64,439,089.68 = 13,799,420.64 : x
  2. Step 2: Convert to fraction form
    42,955,358.88/64,439,089.68 = 13,799,420.64/x
  3. Step 3: Cross multiply
    42,955,358.88x = 64,439,089.68 × 13,799,420.64
  4. Step 4: Simplify right side
    42,955,358.88x = 889,222,104,153,003
  5. Step 5: Solve for x
    x = 889,222,104,153,003/42,955,358.88
  6. Step 6: Final answer
    x = 20,701,074.96

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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.