Home / 12,008,085.57-16,571,136.20-6,501,459.74

Finding the Fourth Proportional to 12,008,085.57, 16,571,136.20 and 6,501,459.74

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Solution

The fourth proportional to 12,008,085.57, 16,571,136.20 and 6,501,459.74 is: 8,972,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008,085.57 : 16,571,136.20 = 6,501,459.74 : x
  2. Step 2: Convert to fraction form
    12,008,085.57/16,571,136.20 = 6,501,459.74/x
  3. Step 3: Cross multiply
    12,008,085.57x = 16,571,136.20 × 6,501,459.74
  4. Step 4: Simplify right side
    12,008,085.57x = 107,736,574,734,993.61
  5. Step 5: Solve for x
    x = 107,736,574,734,993.61/12,008,085.57
  6. Step 6: Final answer
    x = 8,972,002.58

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1.5x scale

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.