Home / 10,144,075.27-13,990,661.33-8,917,758.76

Finding the Fourth Proportional to 10,144,075.27, 13,990,661.33 and 8,917,758.76

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Solution

The fourth proportional to 10,144,075.27, 13,990,661.33 and 8,917,758.76 is: 12,299,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144,075.27 : 13,990,661.33 = 8,917,758.76 : x
  2. Step 2: Convert to fraction form
    10,144,075.27/13,990,661.33 = 8,917,758.76/x
  3. Step 3: Cross multiply
    10,144,075.27x = 13,990,661.33 × 8,917,758.76
  4. Step 4: Simplify right side
    10,144,075.27x = 124,765,342,633,800.75
  5. Step 5: Solve for x
    x = 124,765,342,633,800.75/10,144,075.27
  6. Step 6: Final answer
    x = 12,299,331.32

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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.