Home / 15,173,109.02-20,938,848.12-8,203,737.80

Finding the Fourth Proportional to 15,173,109.02, 20,938,848.12 and 8,203,737.80

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Solution

The fourth proportional to 15,173,109.02, 20,938,848.12 and 8,203,737.80 is: 11,321,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173,109.02 : 20,938,848.12 = 8,203,737.80 : x
  2. Step 2: Convert to fraction form
    15,173,109.02/20,938,848.12 = 8,203,737.80/x
  3. Step 3: Cross multiply
    15,173,109.02x = 20,938,848.12 × 8,203,737.80
  4. Step 4: Simplify right side
    15,173,109.02x = 171,776,819,810,502.94
  5. Step 5: Solve for x
    x = 171,776,819,810,502.94/15,173,109.02
  6. Step 6: Final answer
    x = 11,321,135.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.