Home / 22,068,153.93-30,453,575.22-12,776,115.81

Finding the Fourth Proportional to 22,068,153.93, 30,453,575.22 and 12,776,115.81

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Solution

The fourth proportional to 22,068,153.93, 30,453,575.22 and 12,776,115.81 is: 17,630,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068,153.93 : 30,453,575.22 = 12,776,115.81 : x
  2. Step 2: Convert to fraction form
    22,068,153.93/30,453,575.22 = 12,776,115.81/x
  3. Step 3: Cross multiply
    22,068,153.93x = 30,453,575.22 × 12,776,115.81
  4. Step 4: Simplify right side
    22,068,153.93x = 389,078,403,839,266.25
  5. Step 5: Solve for x
    x = 389,078,403,839,266.25/22,068,153.93
  6. Step 6: Final answer
    x = 17,630,763.55

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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.