Home / 28,973,742.20-43,444,866.90-11,936,137.40

Finding the Fourth Proportional to 28,973,742.20, 43,444,866.90 and 11,936,137.40

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Solution

The fourth proportional to 28,973,742.20, 43,444,866.90 and 11,936,137.40 is: 17,897,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,742.20 : 43,444,866.90 = 11,936,137.40 : x
  2. Step 2: Convert to fraction form
    28,973,742.20/43,444,866.90 = 11,936,137.40/x
  3. Step 3: Cross multiply
    28,973,742.20x = 43,444,866.90 × 11,936,137.40
  4. Step 4: Simplify right side
    28,973,742.20x = 518,563,900,643,112.06
  5. Step 5: Solve for x
    x = 518,563,900,643,112.06/28,973,742.20
  6. Step 6: Final answer
    x = 17,897,719.15

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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.