Home / 9,161,808.60-13,742,712.90-8,321,309.40

Finding the Fourth Proportional to 9,161,808.60, 13,742,712.90 and 8,321,309.40

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Solution

The fourth proportional to 9,161,808.60, 13,742,712.90 and 8,321,309.40 is: 12,481,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161,808.60 : 13,742,712.90 = 8,321,309.40 : x
  2. Step 2: Convert to fraction form
    9,161,808.60/13,742,712.90 = 8,321,309.40/x
  3. Step 3: Cross multiply
    9,161,808.60x = 13,742,712.90 × 8,321,309.40
  4. Step 4: Simplify right side
    9,161,808.60x = 114,357,366,036,271.27
  5. Step 5: Solve for x
    x = 114,357,366,036,271.27/9,161,808.60
  6. Step 6: Final answer
    x = 12,481,964.10

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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.