Home / 20,332,872.39-28,012,538.36-14,047,378.35

Finding the Fourth Proportional to 20,332,872.39, 28,012,538.36 and 14,047,378.35

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Solution

The fourth proportional to 20,332,872.39, 28,012,538.36 and 14,047,378.35 is: 19,353,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332,872.39 : 28,012,538.36 = 14,047,378.35 : x
  2. Step 2: Convert to fraction form
    20,332,872.39/28,012,538.36 = 14,047,378.35/x
  3. Step 3: Cross multiply
    20,332,872.39x = 28,012,538.36 × 14,047,378.35
  4. Step 4: Simplify right side
    20,332,872.39x = 393,502,724,816,634.62
  5. Step 5: Solve for x
    x = 393,502,724,816,634.62/20,332,872.39
  6. Step 6: Final answer
    x = 19,353,031.74

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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.