Home / 7,020,788.40-10,528,072.20-3,235,431.60

Finding the Fourth Proportional to 7,020,788.40, 10,528,072.20 and 3,235,431.60

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Solution

The fourth proportional to 7,020,788.40, 10,528,072.20 and 3,235,431.60 is: 4,851,714.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,788.40 : 10,528,072.20 = 3,235,431.60 : x
  2. Step 2: Convert to fraction form
    7,020,788.40/10,528,072.20 = 3,235,431.60/x
  3. Step 3: Cross multiply
    7,020,788.40x = 10,528,072.20 × 3,235,431.60
  4. Step 4: Simplify right side
    7,020,788.40x = 34,062,857,482,961.52
  5. Step 5: Solve for x
    x = 34,062,857,482,961.52/7,020,788.40
  6. Step 6: Final answer
    x = 4,851,714.02

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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.