Home / 14,018,979.55-21,028,300.12-3,643,279.53

Finding the Fourth Proportional to 14,018,979.55, 21,028,300.12 and 3,643,279.53

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Solution

The fourth proportional to 14,018,979.55, 21,028,300.12 and 3,643,279.53 is: 5,464,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018,979.55 : 21,028,300.12 = 3,643,279.53 : x
  2. Step 2: Convert to fraction form
    14,018,979.55/21,028,300.12 = 3,643,279.53/x
  3. Step 3: Cross multiply
    14,018,979.55x = 21,028,300.12 × 3,643,279.53
  4. Step 4: Simplify right side
    14,018,979.55x = 76,611,975,377,892.55
  5. Step 5: Solve for x
    x = 76,611,975,377,892.55/14,018,979.55
  6. Step 6: Final answer
    x = 5,464,875.32

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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.