Home / 13,615,546.20-20,423,319.30-12,127,511.40

Finding the Fourth Proportional to 13,615,546.20, 20,423,319.30 and 12,127,511.40

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Solution

The fourth proportional to 13,615,546.20, 20,423,319.30 and 12,127,511.40 is: 18,191,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615,546.20 : 20,423,319.30 = 12,127,511.40 : x
  2. Step 2: Convert to fraction form
    13,615,546.20/20,423,319.30 = 12,127,511.40/x
  3. Step 3: Cross multiply
    13,615,546.20x = 20,423,319.30 × 12,127,511.40
  4. Step 4: Simplify right side
    13,615,546.20x = 247,684,037,636,590.03
  5. Step 5: Solve for x
    x = 247,684,037,636,590.03/13,615,546.20
  6. Step 6: Final answer
    x = 18,191,267.10

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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.