Home / 7,742,929.70-11,615,944.89-4,336,061.20

Finding the Fourth Proportional to 7,742,929.70, 11,615,944.89 and 4,336,061.20

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Solution

The fourth proportional to 7,742,929.70, 11,615,944.89 and 4,336,061.20 is: 6,504,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742,929.70 : 11,615,944.89 = 4,336,061.20 : x
  2. Step 2: Convert to fraction form
    7,742,929.70/11,615,944.89 = 4,336,061.20/x
  3. Step 3: Cross multiply
    7,742,929.70x = 11,615,944.89 × 4,336,061.20
  4. Step 4: Simplify right side
    7,742,929.70x = 50,367,447,938,867.27
  5. Step 5: Solve for x
    x = 50,367,447,938,867.27/7,742,929.70
  6. Step 6: Final answer
    x = 6,504,959.99

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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.