Home / 42,874,237.46-64,275,205.07-18,594,877.88

Finding the Fourth Proportional to 42,874,237.46, 64,275,205.07 and 18,594,877.88

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Solution

The fourth proportional to 42,874,237.46, 64,275,205.07 and 18,594,877.88 is: 27,876,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,874,237.46 : 64,275,205.07 = 18,594,877.88 : x
  2. Step 2: Convert to fraction form
    42,874,237.46/64,275,205.07 = 18,594,877.88/x
  3. Step 3: Cross multiply
    42,874,237.46x = 64,275,205.07 × 18,594,877.88
  4. Step 4: Simplify right side
    42,874,237.46x = 1,195,189,588,574,256.50
  5. Step 5: Solve for x
    x = 1,195,189,588,574,256.50/42,874,237.46
  6. Step 6: Final answer
    x = 27,876,637.80

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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.