Home / 9,143,830.87-12,615,932.96-7,204,068.79

Finding the Fourth Proportional to 9,143,830.87, 12,615,932.96 and 7,204,068.79

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Solution

The fourth proportional to 9,143,830.87, 12,615,932.96 and 7,204,068.79 is: 9,939,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143,830.87 : 12,615,932.96 = 7,204,068.79 : x
  2. Step 2: Convert to fraction form
    9,143,830.87/12,615,932.96 = 7,204,068.79/x
  3. Step 3: Cross multiply
    9,143,830.87x = 12,615,932.96 × 7,204,068.79
  4. Step 4: Simplify right side
    9,143,830.87x = 90,886,048,853,323.39
  5. Step 5: Solve for x
    x = 90,886,048,853,323.39/9,143,830.87
  6. Step 6: Final answer
    x = 9,939,603.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.