Home / 28,511,996.80-42,767,995.20-23,137,225.60

Finding the Fourth Proportional to 28,511,996.80, 42,767,995.20 and 23,137,225.60

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Solution

The fourth proportional to 28,511,996.80, 42,767,995.20 and 23,137,225.60 is: 34,705,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,511,996.80 : 42,767,995.20 = 23,137,225.60 : x
  2. Step 2: Convert to fraction form
    28,511,996.80/42,767,995.20 = 23,137,225.60/x
  3. Step 3: Cross multiply
    28,511,996.80x = 42,767,995.20 × 23,137,225.60
  4. Step 4: Simplify right side
    28,511,996.80x = 989,532,753,402,117.25
  5. Step 5: Solve for x
    x = 989,532,753,402,117.25/28,511,996.80
  6. Step 6: Final answer
    x = 34,705,838.40

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1.5x scale

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.