Home / 7,260,014.40-10,890,021.60-4,572,628.80

Finding the Fourth Proportional to 7,260,014.40, 10,890,021.60 and 4,572,628.80

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Solution

The fourth proportional to 7,260,014.40, 10,890,021.60 and 4,572,628.80 is: 6,858,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,014.40 : 10,890,021.60 = 4,572,628.80 : x
  2. Step 2: Convert to fraction form
    7,260,014.40/10,890,021.60 = 4,572,628.80/x
  3. Step 3: Cross multiply
    7,260,014.40x = 10,890,021.60 × 4,572,628.80
  4. Step 4: Simplify right side
    7,260,014.40x = 49,796,026,400,782.08
  5. Step 5: Solve for x
    x = 49,796,026,400,782.08/7,260,014.40
  6. Step 6: Final answer
    x = 6,858,943.20

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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.