Home / 13,051,117.64-19,556,556.02-6,986,654.12

Finding the Fourth Proportional to 13,051,117.64, 19,556,556.02 and 6,986,654.12

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Solution

The fourth proportional to 13,051,117.64, 19,556,556.02 and 6,986,654.12 is: 10,469,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051,117.64 : 19,556,556.02 = 6,986,654.12 : x
  2. Step 2: Convert to fraction form
    13,051,117.64/19,556,556.02 = 6,986,654.12/x
  3. Step 3: Cross multiply
    13,051,117.64x = 19,556,556.02 × 6,986,654.12
  4. Step 4: Simplify right side
    13,051,117.64x = 136,634,892,690,143.80
  5. Step 5: Solve for x
    x = 136,634,892,690,143.80/13,051,117.64
  6. Step 6: Final answer
    x = 10,469,210.11

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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.