Home / 12,634,417.32-18,952,954.74-4,115,418.18

Finding the Fourth Proportional to 12,634,417.32, 18,952,954.74 and 4,115,418.18

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Solution

The fourth proportional to 12,634,417.32, 18,952,954.74 and 4,115,418.18 is: 6,173,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634,417.32 : 18,952,954.74 = 4,115,418.18 : x
  2. Step 2: Convert to fraction form
    12,634,417.32/18,952,954.74 = 4,115,418.18/x
  3. Step 3: Cross multiply
    12,634,417.32x = 18,952,954.74 × 4,115,418.18
  4. Step 4: Simplify right side
    12,634,417.32x = 77,999,334,501,713.17
  5. Step 5: Solve for x
    x = 77,999,334,501,713.17/12,634,417.32
  6. Step 6: Final answer
    x = 6,173,560.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.