Home / 9,161,821.60-13,742,732.40-8,321,322.40

Finding the Fourth Proportional to 9,161,821.60, 13,742,732.40 and 8,321,322.40

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Solution

The fourth proportional to 9,161,821.60, 13,742,732.40 and 8,321,322.40 is: 12,481,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161,821.60 : 13,742,732.40 = 8,321,322.40 : x
  2. Step 2: Convert to fraction form
    9,161,821.60/13,742,732.40 = 8,321,322.40/x
  3. Step 3: Cross multiply
    9,161,821.60x = 13,742,732.40 × 8,321,322.40
  4. Step 4: Simplify right side
    9,161,821.60x = 114,357,706,957,325.77
  5. Step 5: Solve for x
    x = 114,357,706,957,325.77/9,161,821.60
  6. Step 6: Final answer
    x = 12,481,983.60

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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.