Home / 13,173,646.90-19,783,084.13-8,085,952.25

Finding the Fourth Proportional to 13,173,646.90, 19,783,084.13 and 8,085,952.25

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Solution

The fourth proportional to 13,173,646.90, 19,783,084.13 and 8,085,952.25 is: 12,142,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,646.90 : 19,783,084.13 = 8,085,952.25 : x
  2. Step 2: Convert to fraction form
    13,173,646.90/19,783,084.13 = 8,085,952.25/x
  3. Step 3: Cross multiply
    13,173,646.90x = 19,783,084.13 × 8,085,952.25
  4. Step 4: Simplify right side
    13,173,646.90x = 159,965,073,592,483.03
  5. Step 5: Solve for x
    x = 159,965,073,592,483.03/13,173,646.90
  6. Step 6: Final answer
    x = 12,142,808.66

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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.