Home / 20,240,359.77-30,360,628.20-6,407,386.02

Finding the Fourth Proportional to 20,240,359.77, 30,360,628.20 and 6,407,386.02

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Solution

The fourth proportional to 20,240,359.77, 30,360,628.20 and 6,407,386.02 is: 9,611,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240,359.77 : 30,360,628.20 = 6,407,386.02 : x
  2. Step 2: Convert to fraction form
    20,240,359.77/30,360,628.20 = 6,407,386.02/x
  3. Step 3: Cross multiply
    20,240,359.77x = 30,360,628.20 × 6,407,386.02
  4. Step 4: Simplify right side
    20,240,359.77x = 194,532,264,687,097.75
  5. Step 5: Solve for x
    x = 194,532,264,687,097.75/20,240,359.77
  6. Step 6: Final answer
    x = 9,611,107.06

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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.