Home / 20,245,949.29-27,939,333.45-10,953,490.15

Finding the Fourth Proportional to 20,245,949.29, 27,939,333.45 and 10,953,490.15

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Solution

The fourth proportional to 20,245,949.29, 27,939,333.45 and 10,953,490.15 is: 15,115,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245,949.29 : 27,939,333.45 = 10,953,490.15 : x
  2. Step 2: Convert to fraction form
    20,245,949.29/27,939,333.45 = 10,953,490.15/x
  3. Step 3: Cross multiply
    20,245,949.29x = 27,939,333.45 × 10,953,490.15
  4. Step 4: Simplify right side
    20,245,949.29x = 306,033,213,742,140.50
  5. Step 5: Solve for x
    x = 306,033,213,742,140.50/20,245,949.29
  6. Step 6: Final answer
    x = 15,115,774.98

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1.5x scale

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.