Home / 7,103,500.40-10,656,028.20-6,879,551.60

Finding the Fourth Proportional to 7,103,500.40, 10,656,028.20 and 6,879,551.60

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Solution

The fourth proportional to 7,103,500.40, 10,656,028.20 and 6,879,551.60 is: 10,320,080.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103,500.40 : 10,656,028.20 = 6,879,551.60 : x
  2. Step 2: Convert to fraction form
    7,103,500.40/10,656,028.20 = 6,879,551.60/x
  3. Step 3: Cross multiply
    7,103,500.40x = 10,656,028.20 × 6,879,551.60
  4. Step 4: Simplify right side
    7,103,500.40x = 73,308,695,852,955.11
  5. Step 5: Solve for x
    x = 73,308,695,852,955.11/7,103,500.40
  6. Step 6: Final answer
    x = 10,320,080.48

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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.