Home / 14,200,399.81-19,595,706.73-8,239,345.39

Finding the Fourth Proportional to 14,200,399.81, 19,595,706.73 and 8,239,345.39

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Solution

The fourth proportional to 14,200,399.81, 19,595,706.73 and 8,239,345.39 is: 11,369,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200,399.81 : 19,595,706.73 = 8,239,345.39 : x
  2. Step 2: Convert to fraction form
    14,200,399.81/19,595,706.73 = 8,239,345.39/x
  3. Step 3: Cross multiply
    14,200,399.81x = 19,595,706.73 × 8,239,345.39
  4. Step 4: Simplify right side
    14,200,399.81x = 161,455,795,909,617.47
  5. Step 5: Solve for x
    x = 161,455,795,909,617.47/14,200,399.81
  6. Step 6: Final answer
    x = 11,369,806.35

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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.