Home / 12,756,629.76-19,116,041.60-10,498,202.40

Finding the Fourth Proportional to 12,756,629.76, 19,116,041.60 and 10,498,202.40

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Solution

The fourth proportional to 12,756,629.76, 19,116,041.60 and 10,498,202.40 is: 15,731,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,629.76 : 19,116,041.60 = 10,498,202.40 : x
  2. Step 2: Convert to fraction form
    12,756,629.76/19,116,041.60 = 10,498,202.40/x
  3. Step 3: Cross multiply
    12,756,629.76x = 19,116,041.60 × 10,498,202.40
  4. Step 4: Simplify right side
    12,756,629.76x = 200,684,073,803,619.88
  5. Step 5: Solve for x
    x = 200,684,073,803,619.88/12,756,629.76
  6. Step 6: Final answer
    x = 15,731,747.14

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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.