Home / 8,752,940.20-12,078,564.78-4,885,709.68

Finding the Fourth Proportional to 8,752,940.20, 12,078,564.78 and 4,885,709.68

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Solution

The fourth proportional to 8,752,940.20, 12,078,564.78 and 4,885,709.68 is: 6,742,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752,940.20 : 12,078,564.78 = 4,885,709.68 : x
  2. Step 2: Convert to fraction form
    8,752,940.20/12,078,564.78 = 4,885,709.68/x
  3. Step 3: Cross multiply
    8,752,940.20x = 12,078,564.78 × 4,885,709.68
  4. Step 4: Simplify right side
    8,752,940.20x = 59,012,360,866,153.06
  5. Step 5: Solve for x
    x = 59,012,360,866,153.06/8,752,940.20
  6. Step 6: Final answer
    x = 6,742,004.35

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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.