Home / 19,156,736.40-28,749,101.40-13,488,032.40

Finding the Fourth Proportional to 19,156,736.40, 28,749,101.40 and 13,488,032.40

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Solution

The fourth proportional to 19,156,736.40, 28,749,101.40 and 13,488,032.40 is: 20,241,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156,736.40 : 28,749,101.40 = 13,488,032.40 : x
  2. Step 2: Convert to fraction form
    19,156,736.40/28,749,101.40 = 13,488,032.40/x
  3. Step 3: Cross multiply
    19,156,736.40x = 28,749,101.40 × 13,488,032.40
  4. Step 4: Simplify right side
    19,156,736.40x = 387,768,811,154,085.38
  5. Step 5: Solve for x
    x = 387,768,811,154,085.38/19,156,736.40
  6. Step 6: Final answer
    x = 20,241,903.58

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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.