Home / 13,289,424.60-19,943,468.10-5,721,821.40

Finding the Fourth Proportional to 13,289,424.60, 19,943,468.10 and 5,721,821.40

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Solution

The fourth proportional to 13,289,424.60, 19,943,468.10 and 5,721,821.40 is: 8,586,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289,424.60 : 19,943,468.10 = 5,721,821.40 : x
  2. Step 2: Convert to fraction form
    13,289,424.60/19,943,468.10 = 5,721,821.40/x
  3. Step 3: Cross multiply
    13,289,424.60x = 19,943,468.10 × 5,721,821.40
  4. Step 4: Simplify right side
    13,289,424.60x = 114,112,962,564,797.36
  5. Step 5: Solve for x
    x = 114,112,962,564,797.36/13,289,424.60
  6. Step 6: Final answer
    x = 8,586,749.69

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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.