Home / 20,853,392.80-31,283,041.65-6,474,961.30

Finding the Fourth Proportional to 20,853,392.80, 31,283,041.65 and 6,474,961.30

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Solution

The fourth proportional to 20,853,392.80, 31,283,041.65 and 6,474,961.30 is: 9,713,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,853,392.80 : 31,283,041.65 = 6,474,961.30 : x
  2. Step 2: Convert to fraction form
    20,853,392.80/31,283,041.65 = 6,474,961.30/x
  3. Step 3: Cross multiply
    20,853,392.80x = 31,283,041.65 × 6,474,961.30
  4. Step 4: Simplify right side
    20,853,392.80x = 202,556,484,030,038.12
  5. Step 5: Solve for x
    x = 202,556,484,030,038.12/20,853,392.80
  6. Step 6: Final answer
    x = 9,713,358.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.