Home / 12,778,529.94-17,625,422.22-8,646,742.24

Finding the Fourth Proportional to 12,778,529.94, 17,625,422.22 and 8,646,742.24

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Solution

The fourth proportional to 12,778,529.94, 17,625,422.22 and 8,646,742.24 is: 11,926,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,529.94 : 17,625,422.22 = 8,646,742.24 : x
  2. Step 2: Convert to fraction form
    12,778,529.94/17,625,422.22 = 8,646,742.24/x
  3. Step 3: Cross multiply
    12,778,529.94x = 17,625,422.22 × 8,646,742.24
  4. Step 4: Simplify right side
    12,778,529.94x = 152,402,482,817,535.22
  5. Step 5: Solve for x
    x = 152,402,482,817,535.22/12,778,529.94
  6. Step 6: Final answer
    x = 11,926,448.78

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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.