Home / 13,289,529.60-19,943,625.60-5,721,926.40

Finding the Fourth Proportional to 13,289,529.60, 19,943,625.60 and 5,721,926.40

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Solution

The fourth proportional to 13,289,529.60, 19,943,625.60 and 5,721,926.40 is: 8,586,907.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289,529.60 : 19,943,625.60 = 5,721,926.40 : x
  2. Step 2: Convert to fraction form
    13,289,529.60/19,943,625.60 = 5,721,926.40/x
  3. Step 3: Cross multiply
    13,289,529.60x = 19,943,625.60 × 5,721,926.40
  4. Step 4: Simplify right side
    13,289,529.60x = 114,115,957,832,355.86
  5. Step 5: Solve for x
    x = 114,115,957,832,355.86/13,289,529.60
  6. Step 6: Final answer
    x = 8,586,907.23

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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.