Home / 8,526,014.40-12,789,021.60-5,838,628.80

Finding the Fourth Proportional to 8,526,014.40, 12,789,021.60 and 5,838,628.80

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Solution

The fourth proportional to 8,526,014.40, 12,789,021.60 and 5,838,628.80 is: 8,757,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526,014.40 : 12,789,021.60 = 5,838,628.80 : x
  2. Step 2: Convert to fraction form
    8,526,014.40/12,789,021.60 = 5,838,628.80/x
  3. Step 3: Cross multiply
    8,526,014.40x = 12,789,021.60 × 5,838,628.80
  4. Step 4: Simplify right side
    8,526,014.40x = 74,670,349,837,582.08
  5. Step 5: Solve for x
    x = 74,670,349,837,582.08/8,526,014.40
  6. Step 6: Final answer
    x = 8,757,943.20

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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.