Home / 12,019,160.80-16,586,499.66-6,512,534.20

Finding the Fourth Proportional to 12,019,160.80, 16,586,499.66 and 6,512,534.20

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Solution

The fourth proportional to 12,019,160.80, 16,586,499.66 and 6,512,534.20 is: 8,987,328.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,160.80 : 16,586,499.66 = 6,512,534.20 : x
  2. Step 2: Convert to fraction form
    12,019,160.80/16,586,499.66 = 6,512,534.20/x
  3. Step 3: Cross multiply
    12,019,160.80x = 16,586,499.66 × 6,512,534.20
  4. Step 4: Simplify right side
    12,019,160.80x = 108,020,146,294,038.38
  5. Step 5: Solve for x
    x = 108,020,146,294,038.38/12,019,160.80
  6. Step 6: Final answer
    x = 8,987,328.49

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1.5x scale

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.