Home / 28,973,318.20-43,459,977.30-28,548,165.40

Finding the Fourth Proportional to 28,973,318.20, 43,459,977.30 and 28,548,165.40

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Solution

The fourth proportional to 28,973,318.20, 43,459,977.30 and 28,548,165.40 is: 42,822,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,318.20 : 43,459,977.30 = 28,548,165.40 : x
  2. Step 2: Convert to fraction form
    28,973,318.20/43,459,977.30 = 28,548,165.40/x
  3. Step 3: Cross multiply
    28,973,318.20x = 43,459,977.30 × 28,548,165.40
  4. Step 4: Simplify right side
    28,973,318.20x = 1,240,702,620,240,645.25
  5. Step 5: Solve for x
    x = 1,240,702,620,240,645.25/28,973,318.20
  6. Step 6: Final answer
    x = 42,822,248.10

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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.