Home / 7,405,903.80-10,216,030.50-4,308,078.60

Finding the Fourth Proportional to 7,405,903.80, 10,216,030.50 and 4,308,078.60

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Solution

The fourth proportional to 7,405,903.80, 10,216,030.50 and 4,308,078.60 is: 5,942,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405,903.80 : 10,216,030.50 = 4,308,078.60 : x
  2. Step 2: Convert to fraction form
    7,405,903.80/10,216,030.50 = 4,308,078.60/x
  3. Step 3: Cross multiply
    7,405,903.80x = 10,216,030.50 × 4,308,078.60
  4. Step 4: Simplify right side
    7,405,903.80x = 44,011,462,373,997.30
  5. Step 5: Solve for x
    x = 44,011,462,373,997.30/7,405,903.80
  6. Step 6: Final answer
    x = 5,942,753.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.