Home / 14,018,987.19-21,028,311.54-3,643,287.15

Finding the Fourth Proportional to 14,018,987.19, 21,028,311.54 and 3,643,287.15

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Solution

The fourth proportional to 14,018,987.19, 21,028,311.54 and 3,643,287.15 is: 5,464,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018,987.19 : 21,028,311.54 = 3,643,287.15 : x
  2. Step 2: Convert to fraction form
    14,018,987.19/21,028,311.54 = 3,643,287.15/x
  3. Step 3: Cross multiply
    14,018,987.19x = 21,028,311.54 × 3,643,287.15
  4. Step 4: Simplify right side
    14,018,987.19x = 76,612,177,219,878.70
  5. Step 5: Solve for x
    x = 76,612,177,219,878.70/14,018,987.19
  6. Step 6: Final answer
    x = 5,464,886.74

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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.