Home / 20,713,555.20-31,047,004.80-9,936,019.20

Finding the Fourth Proportional to 20,713,555.20, 31,047,004.80 and 9,936,019.20

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Solution

The fourth proportional to 20,713,555.20, 31,047,004.80 and 9,936,019.20 is: 14,892,838.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713,555.20 : 31,047,004.80 = 9,936,019.20 : x
  2. Step 2: Convert to fraction form
    20,713,555.20/31,047,004.80 = 9,936,019.20/x
  3. Step 3: Cross multiply
    20,713,555.20x = 31,047,004.80 × 9,936,019.20
  4. Step 4: Simplify right side
    20,713,555.20x = 308,483,635,795,292.12
  5. Step 5: Solve for x
    x = 308,483,635,795,292.12/20,713,555.20
  6. Step 6: Final answer
    x = 14,892,838.67

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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.