Home / 10,143,555.88-13,999,542.51-6,277,322.20

Finding the Fourth Proportional to 10,143,555.88, 13,999,542.51 and 6,277,322.20

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Solution

The fourth proportional to 10,143,555.88, 13,999,542.51 and 6,277,322.20 is: 8,663,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,555.88 : 13,999,542.51 = 6,277,322.20 : x
  2. Step 2: Convert to fraction form
    10,143,555.88/13,999,542.51 = 6,277,322.20/x
  3. Step 3: Cross multiply
    10,143,555.88x = 13,999,542.51 × 6,277,322.20
  4. Step 4: Simplify right side
    10,143,555.88x = 87,879,638,987,866.72
  5. Step 5: Solve for x
    x = 87,879,638,987,866.72/10,143,555.88
  6. Step 6: Final answer
    x = 8,663,592.93

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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.