Home / 12,768,663.84-19,013,943.84-12,627,296.16

Finding the Fourth Proportional to 12,768,663.84, 19,013,943.84 and 12,627,296.16

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Solution

The fourth proportional to 12,768,663.84, 19,013,943.84 and 12,627,296.16 is: 18,803,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,663.84 : 19,013,943.84 = 12,627,296.16 : x
  2. Step 2: Convert to fraction form
    12,768,663.84/19,013,943.84 = 12,627,296.16/x
  3. Step 3: Cross multiply
    12,768,663.84x = 19,013,943.84 × 12,627,296.16
  4. Step 4: Simplify right side
    12,768,663.84x = 240,094,700,037,287.66
  5. Step 5: Solve for x
    x = 240,094,700,037,287.66/12,768,663.84
  6. Step 6: Final answer
    x = 18,803,431.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.