Home / 13,582,973.85-18,742,801.38-9,182,274.46

Finding the Fourth Proportional to 13,582,973.85, 18,742,801.38 and 9,182,274.46

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Solution

The fourth proportional to 13,582,973.85, 18,742,801.38 and 9,182,274.46 is: 12,670,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,973.85 : 18,742,801.38 = 9,182,274.46 : x
  2. Step 2: Convert to fraction form
    13,582,973.85/18,742,801.38 = 9,182,274.46/x
  3. Step 3: Cross multiply
    13,582,973.85x = 18,742,801.38 × 9,182,274.46
  4. Step 4: Simplify right side
    13,582,973.85x = 172,101,546,373,569.72
  5. Step 5: Solve for x
    x = 172,101,546,373,569.72/13,582,973.85
  6. Step 6: Final answer
    x = 12,670,387.82

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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.