Home / 13,490,772.48-18,618,338.40-8,598,191.04

Finding the Fourth Proportional to 13,490,772.48, 18,618,338.40 and 8,598,191.04

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Solution

The fourth proportional to 13,490,772.48, 18,618,338.40 and 8,598,191.04 is: 11,866,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490,772.48 : 18,618,338.40 = 8,598,191.04 : x
  2. Step 2: Convert to fraction form
    13,490,772.48/18,618,338.40 = 8,598,191.04/x
  3. Step 3: Cross multiply
    13,490,772.48x = 18,618,338.40 × 8,598,191.04
  4. Step 4: Simplify right side
    13,490,772.48x = 160,084,030,410,567.91
  5. Step 5: Solve for x
    x = 160,084,030,410,567.91/13,490,772.48
  6. Step 6: Final answer
    x = 11,866,187.10

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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.