Home / 8,012,979.45-11,058,472.85-4,528,640.16

Finding the Fourth Proportional to 8,012,979.45, 11,058,472.85 and 4,528,640.16

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Solution

The fourth proportional to 8,012,979.45, 11,058,472.85 and 4,528,640.16 is: 6,249,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012,979.45 : 11,058,472.85 = 4,528,640.16 : x
  2. Step 2: Convert to fraction form
    8,012,979.45/11,058,472.85 = 4,528,640.16/x
  3. Step 3: Cross multiply
    8,012,979.45x = 11,058,472.85 × 4,528,640.16
  4. Step 4: Simplify right side
    8,012,979.45x = 50,079,844,234,136.46
  5. Step 5: Solve for x
    x = 50,079,844,234,136.46/8,012,979.45
  6. Step 6: Final answer
    x = 6,249,840.59

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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.