Home / 8,388,515.81-11,576,041.15-4,717,431.28

Finding the Fourth Proportional to 8,388,515.81, 11,576,041.15 and 4,717,431.28

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Solution

The fourth proportional to 8,388,515.81, 11,576,041.15 and 4,717,431.28 is: 6,509,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388,515.81 : 11,576,041.15 = 4,717,431.28 : x
  2. Step 2: Convert to fraction form
    8,388,515.81/11,576,041.15 = 4,717,431.28/x
  3. Step 3: Cross multiply
    8,388,515.81x = 11,576,041.15 × 4,717,431.28
  4. Step 4: Simplify right side
    8,388,515.81x = 54,609,178,619,577.18
  5. Step 5: Solve for x
    x = 54,609,178,619,577.18/8,388,515.81
  6. Step 6: Final answer
    x = 6,509,992.93

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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.