Home / 13,410,354.08-18,506,287.60-7,298,826.40

Finding the Fourth Proportional to 13,410,354.08, 18,506,287.60 and 7,298,826.40

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Solution

The fourth proportional to 13,410,354.08, 18,506,287.60 and 7,298,826.40 is: 10,072,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,354.08 : 18,506,287.60 = 7,298,826.40 : x
  2. Step 2: Convert to fraction form
    13,410,354.08/18,506,287.60 = 7,298,826.40/x
  3. Step 3: Cross multiply
    13,410,354.08x = 18,506,287.60 × 7,298,826.40
  4. Step 4: Simplify right side
    13,410,354.08x = 135,074,180,500,872.66
  5. Step 5: Solve for x
    x = 135,074,180,500,872.66/13,410,354.08
  6. Step 6: Final answer
    x = 10,072,379.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.