Home / 8,196,987.30-12,303,354.15-4,158,035.70

Finding the Fourth Proportional to 8,196,987.30, 12,303,354.15 and 4,158,035.70

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Solution

The fourth proportional to 8,196,987.30, 12,303,354.15 and 4,158,035.70 is: 6,241,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,987.30 : 12,303,354.15 = 4,158,035.70 : x
  2. Step 2: Convert to fraction form
    8,196,987.30/12,303,354.15 = 4,158,035.70/x
  3. Step 3: Cross multiply
    8,196,987.30x = 12,303,354.15 × 4,158,035.70
  4. Step 4: Simplify right side
    8,196,987.30x = 51,157,785,785,443.16
  5. Step 5: Solve for x
    x = 51,157,785,785,443.16/8,196,987.30
  6. Step 6: Final answer
    x = 6,241,047.34

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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.