Home / 13,582,624.91-18,742,321.10-9,181,925.60

Finding the Fourth Proportional to 13,582,624.91, 18,742,321.10 and 9,181,925.60

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Solution

The fourth proportional to 13,582,624.91, 18,742,321.10 and 9,181,925.60 is: 12,669,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,624.91 : 18,742,321.10 = 9,181,925.60 : x
  2. Step 2: Convert to fraction form
    13,582,624.91/18,742,321.10 = 9,181,925.60/x
  3. Step 3: Cross multiply
    13,582,624.91x = 18,742,321.10 × 9,181,925.60
  4. Step 4: Simplify right side
    13,582,624.91x = 172,090,597,771,888.94
  5. Step 5: Solve for x
    x = 172,090,597,771,888.94/13,582,624.91
  6. Step 6: Final answer
    x = 12,669,907.25

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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.