Home / 42,874,263.21-64,275,242.19-18,594,903.63

Finding the Fourth Proportional to 42,874,263.21, 64,275,242.19 and 18,594,903.63

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Solution

The fourth proportional to 42,874,263.21, 64,275,242.19 and 18,594,903.63 is: 27,876,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,874,263.21 : 64,275,242.19 = 18,594,903.63 : x
  2. Step 2: Convert to fraction form
    42,874,263.21/64,275,242.19 = 18,594,903.63/x
  3. Step 3: Cross multiply
    42,874,263.21x = 64,275,242.19 × 18,594,903.63
  4. Step 4: Simplify right side
    42,874,263.21x = 1,195,191,934,317,960
  5. Step 5: Solve for x
    x = 1,195,191,934,317,960/42,874,263.21
  6. Step 6: Final answer
    x = 27,876,675.77

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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.