Home / 14,185,597.90-21,278,396.85-9,855,921.10

Finding the Fourth Proportional to 14,185,597.90, 21,278,396.85 and 9,855,921.10

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Solution

The fourth proportional to 14,185,597.90, 21,278,396.85 and 9,855,921.10 is: 14,783,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185,597.90 : 21,278,396.85 = 9,855,921.10 : x
  2. Step 2: Convert to fraction form
    14,185,597.90/21,278,396.85 = 9,855,921.10/x
  3. Step 3: Cross multiply
    14,185,597.90x = 21,278,396.85 × 9,855,921.10
  4. Step 4: Simplify right side
    14,185,597.90x = 209,718,200,488,088.53
  5. Step 5: Solve for x
    x = 209,718,200,488,088.53/14,185,597.90
  6. Step 6: Final answer
    x = 14,783,881.65

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Double scale
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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.