Home / 13,595,913.78-18,758,134.80-7,714,575.06

Finding the Fourth Proportional to 13,595,913.78, 18,758,134.80 and 7,714,575.06

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Solution

The fourth proportional to 13,595,913.78, 18,758,134.80 and 7,714,575.06 is: 10,643,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595,913.78 : 18,758,134.80 = 7,714,575.06 : x
  2. Step 2: Convert to fraction form
    13,595,913.78/18,758,134.80 = 7,714,575.06/x
  3. Step 3: Cross multiply
    13,595,913.78x = 18,758,134.80 × 7,714,575.06
  4. Step 4: Simplify right side
    13,595,913.78x = 144,711,038,900,198.09
  5. Step 5: Solve for x
    x = 144,711,038,900,198.09/13,595,913.78
  6. Step 6: Final answer
    x = 10,643,715.55

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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.