Home / 12,472,806.30-18,695,212.65-7,084,038.30

Finding the Fourth Proportional to 12,472,806.30, 18,695,212.65 and 7,084,038.30

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Solution

The fourth proportional to 12,472,806.30, 18,695,212.65 and 7,084,038.30 is: 10,618,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,806.30 : 18,695,212.65 = 7,084,038.30 : x
  2. Step 2: Convert to fraction form
    12,472,806.30/18,695,212.65 = 7,084,038.30/x
  3. Step 3: Cross multiply
    12,472,806.30x = 18,695,212.65 × 7,084,038.30
  4. Step 4: Simplify right side
    12,472,806.30x = 132,437,602,439,244.48
  5. Step 5: Solve for x
    x = 132,437,602,439,244.48/12,472,806.30
  6. Step 6: Final answer
    x = 10,618,107.85

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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.