Home / 8,506,904.40-12,762,260.10-3,115,447.20

Finding the Fourth Proportional to 8,506,904.40, 12,762,260.10 and 3,115,447.20

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Solution

The fourth proportional to 8,506,904.40, 12,762,260.10 and 3,115,447.20 is: 4,673,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506,904.40 : 12,762,260.10 = 3,115,447.20 : x
  2. Step 2: Convert to fraction form
    8,506,904.40/12,762,260.10 = 3,115,447.20/x
  3. Step 3: Cross multiply
    8,506,904.40x = 12,762,260.10 × 3,115,447.20
  4. Step 4: Simplify right side
    8,506,904.40x = 39,760,147,494,216.72
  5. Step 5: Solve for x
    x = 39,760,147,494,216.72/8,506,904.40
  6. Step 6: Final answer
    x = 4,673,867.91

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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.