Home / 10,073,978.80-15,112,811.40-4,090,951.60

Finding the Fourth Proportional to 10,073,978.80, 15,112,811.40 and 4,090,951.60

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Solution

The fourth proportional to 10,073,978.80, 15,112,811.40 and 4,090,951.60 is: 6,137,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073,978.80 : 15,112,811.40 = 4,090,951.60 : x
  2. Step 2: Convert to fraction form
    10,073,978.80/15,112,811.40 = 4,090,951.60/x
  3. Step 3: Cross multiply
    10,073,978.80x = 15,112,811.40 × 4,090,951.60
  4. Step 4: Simplify right side
    10,073,978.80x = 61,825,779,977,328.24
  5. Step 5: Solve for x
    x = 61,825,779,977,328.24/10,073,978.80
  6. Step 6: Final answer
    x = 6,137,175.91

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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.