Home / 20,607,106.45-30,911,500.30-5,254,794.28

Finding the Fourth Proportional to 20,607,106.45, 30,911,500.30 and 5,254,794.28

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Solution

The fourth proportional to 20,607,106.45, 30,911,500.30 and 5,254,794.28 is: 7,882,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607,106.45 : 30,911,500.30 = 5,254,794.28 : x
  2. Step 2: Convert to fraction form
    20,607,106.45/30,911,500.30 = 5,254,794.28/x
  3. Step 3: Cross multiply
    20,607,106.45x = 30,911,500.30 × 5,254,794.28
  4. Step 4: Simplify right side
    20,607,106.45x = 162,433,574,903,681.31
  5. Step 5: Solve for x
    x = 162,433,574,903,681.31/20,607,106.45
  6. Step 6: Final answer
    x = 7,882,405.78

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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.