Home / 12,303,912.30-18,455,868.45-9,434,130.90

Finding the Fourth Proportional to 12,303,912.30, 18,455,868.45 and 9,434,130.90

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Solution

The fourth proportional to 12,303,912.30, 18,455,868.45 and 9,434,130.90 is: 14,151,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,912.30 : 18,455,868.45 = 9,434,130.90 : x
  2. Step 2: Convert to fraction form
    12,303,912.30/18,455,868.45 = 9,434,130.90/x
  3. Step 3: Cross multiply
    12,303,912.30x = 18,455,868.45 × 9,434,130.90
  4. Step 4: Simplify right side
    12,303,912.30x = 174,115,078,830,480.09
  5. Step 5: Solve for x
    x = 174,115,078,830,480.09/12,303,912.30
  6. Step 6: Final answer
    x = 14,151,196.35

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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.