Home / 39,210,809.02-54,110,617.83-21,569,332.67

Finding the Fourth Proportional to 39,210,809.02, 54,110,617.83 and 21,569,332.67

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Solution

The fourth proportional to 39,210,809.02, 54,110,617.83 and 21,569,332.67 is: 29,765,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210,809.02 : 54,110,617.83 = 21,569,332.67 : x
  2. Step 2: Convert to fraction form
    39,210,809.02/54,110,617.83 = 21,569,332.67/x
  3. Step 3: Cross multiply
    39,210,809.02x = 54,110,617.83 × 21,569,332.67
  4. Step 4: Simplify right side
    39,210,809.02x = 1,167,129,916,764,989.50
  5. Step 5: Solve for x
    x = 1,167,129,916,764,989.50/39,210,809.02
  6. Step 6: Final answer
    x = 29,765,514.81

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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.