Home / 13,582,623.88-18,742,319.71-9,181,924.59

Finding the Fourth Proportional to 13,582,623.88, 18,742,319.71 and 9,181,924.59

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Solution

The fourth proportional to 13,582,623.88, 18,742,319.71 and 9,181,924.59 is: 12,669,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,623.88 : 18,742,319.71 = 9,181,924.59 : x
  2. Step 2: Convert to fraction form
    13,582,623.88/18,742,319.71 = 9,181,924.59/x
  3. Step 3: Cross multiply
    13,582,623.88x = 18,742,319.71 × 9,181,924.59
  4. Step 4: Simplify right side
    13,582,623.88x = 172,090,566,317,867.91
  5. Step 5: Solve for x
    x = 172,090,566,317,867.91/13,582,623.88
  6. Step 6: Final answer
    x = 12,669,905.89

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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.