Home / 18,968,519.84-26,176,555.32-10,266,690.88

Finding the Fourth Proportional to 18,968,519.84, 26,176,555.32 and 10,266,690.88

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Solution

The fourth proportional to 18,968,519.84, 26,176,555.32 and 10,266,690.88 is: 14,168,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968,519.84 : 26,176,555.32 = 10,266,690.88 : x
  2. Step 2: Convert to fraction form
    18,968,519.84/26,176,555.32 = 10,266,690.88/x
  3. Step 3: Cross multiply
    18,968,519.84x = 26,176,555.32 × 10,266,690.88
  4. Step 4: Simplify right side
    18,968,519.84x = 268,746,601,773,659.50
  5. Step 5: Solve for x
    x = 268,746,601,773,659.50/18,968,519.84
  6. Step 6: Final answer
    x = 14,168,032.30

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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.