Home / 13,709,539.38-20,441,742.27-13,332,880.58

Finding the Fourth Proportional to 13,709,539.38, 20,441,742.27 and 13,332,880.58

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Solution

The fourth proportional to 13,709,539.38, 20,441,742.27 and 13,332,880.58 is: 19,880,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,539.38 : 20,441,742.27 = 13,332,880.58 : x
  2. Step 2: Convert to fraction form
    13,709,539.38/20,441,742.27 = 13,332,880.58/x
  3. Step 3: Cross multiply
    13,709,539.38x = 20,441,742.27 × 13,332,880.58
  4. Step 4: Simplify right side
    13,709,539.38x = 272,547,308,418,346.47
  5. Step 5: Solve for x
    x = 272,547,308,418,346.47/13,709,539.38
  6. Step 6: Final answer
    x = 19,880,121.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.