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Finding the Fourth Proportional to 10,867,363.80, 16,301,045.70 and 3,293,345.40

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Solution

The fourth proportional to 10,867,363.80, 16,301,045.70 and 3,293,345.40 is: 4,940,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,363.80 : 16,301,045.70 = 3,293,345.40 : x
  2. Step 2: Convert to fraction form
    10,867,363.80/16,301,045.70 = 3,293,345.40/x
  3. Step 3: Cross multiply
    10,867,363.80x = 16,301,045.70 × 3,293,345.40
  4. Step 4: Simplify right side
    10,867,363.80x = 53,684,973,871,284.77
  5. Step 5: Solve for x
    x = 53,684,973,871,284.77/10,867,363.80
  6. Step 6: Final answer
    x = 4,940,018.10

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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.