Home / 20,460,030.20-28,232,831.46-11,292,082.52

Finding the Fourth Proportional to 20,460,030.20, 28,232,831.46 and 11,292,082.52

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Solution

The fourth proportional to 20,460,030.20, 28,232,831.46 and 11,292,082.52 is: 15,581,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460,030.20 : 28,232,831.46 = 11,292,082.52 : x
  2. Step 2: Convert to fraction form
    20,460,030.20/28,232,831.46 = 11,292,082.52/x
  3. Step 3: Cross multiply
    20,460,030.20x = 28,232,831.46 × 11,292,082.52
  4. Step 4: Simplify right side
    20,460,030.20x = 318,807,462,619,572.06
  5. Step 5: Solve for x
    x = 318,807,462,619,572.06/20,460,030.20
  6. Step 6: Final answer
    x = 15,581,964.42

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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.