Home / 8,862,406.20-13,298,858.10-6,460,205.40

Finding the Fourth Proportional to 8,862,406.20, 13,298,858.10 and 6,460,205.40

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Solution

The fourth proportional to 8,862,406.20, 13,298,858.10 and 6,460,205.40 is: 9,694,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862,406.20 : 13,298,858.10 = 6,460,205.40 : x
  2. Step 2: Convert to fraction form
    8,862,406.20/13,298,858.10 = 6,460,205.40/x
  3. Step 3: Cross multiply
    8,862,406.20x = 13,298,858.10 × 6,460,205.40
  4. Step 4: Simplify right side
    8,862,406.20x = 85,913,354,911,453.75
  5. Step 5: Solve for x
    x = 85,913,354,911,453.75/8,862,406.20
  6. Step 6: Final answer
    x = 9,694,134.19

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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.