Home / 12,008,085.63-16,571,136.18-6,501,459.72

Finding the Fourth Proportional to 12,008,085.63, 16,571,136.18 and 6,501,459.72

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Solution

The fourth proportional to 12,008,085.63, 16,571,136.18 and 6,501,459.72 is: 8,972,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008,085.63 : 16,571,136.18 = 6,501,459.72 : x
  2. Step 2: Convert to fraction form
    12,008,085.63/16,571,136.18 = 6,501,459.72/x
  3. Step 3: Cross multiply
    12,008,085.63x = 16,571,136.18 × 6,501,459.72
  4. Step 4: Simplify right side
    12,008,085.63x = 107,736,574,388,904.66
  5. Step 5: Solve for x
    x = 107,736,574,388,904.66/12,008,085.63
  6. Step 6: Final answer
    x = 8,972,002.51

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Double scale
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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.