Home / 14,003,139.30-21,004,708.95-5,480,643.30

Finding the Fourth Proportional to 14,003,139.30, 21,004,708.95 and 5,480,643.30

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Solution

The fourth proportional to 14,003,139.30, 21,004,708.95 and 5,480,643.30 is: 8,220,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003,139.30 : 21,004,708.95 = 5,480,643.30 : x
  2. Step 2: Convert to fraction form
    14,003,139.30/21,004,708.95 = 5,480,643.30/x
  3. Step 3: Cross multiply
    14,003,139.30x = 21,004,708.95 × 5,480,643.30
  4. Step 4: Simplify right side
    14,003,139.30x = 115,119,317,375,267.53
  5. Step 5: Solve for x
    x = 115,119,317,375,267.53/14,003,139.30
  6. Step 6: Final answer
    x = 8,220,964.95

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Double scale
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Similar ratio
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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.