Home / 20,643,463.80-30,964,211.55-6,995,271.60

Finding the Fourth Proportional to 20,643,463.80, 30,964,211.55 and 6,995,271.60

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Solution

The fourth proportional to 20,643,463.80, 30,964,211.55 and 6,995,271.60 is: 10,492,573.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,643,463.80 : 30,964,211.55 = 6,995,271.60 : x
  2. Step 2: Convert to fraction form
    20,643,463.80/30,964,211.55 = 6,995,271.60/x
  3. Step 3: Cross multiply
    20,643,463.80x = 30,964,211.55 × 6,995,271.60
  4. Step 4: Simplify right side
    20,643,463.80x = 216,603,069,672,106.97
  5. Step 5: Solve for x
    x = 216,603,069,672,106.97/20,643,463.80
  6. Step 6: Final answer
    x = 10,492,573.91

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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.