Home / 9,205,967.71-12,709,678.55-8,184,545.75

Finding the Fourth Proportional to 9,205,967.71, 12,709,678.55 and 8,184,545.75

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Solution

The fourth proportional to 9,205,967.71, 12,709,678.55 and 8,184,545.75 is: 11,299,512.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205,967.71 : 12,709,678.55 = 8,184,545.75 : x
  2. Step 2: Convert to fraction form
    9,205,967.71/12,709,678.55 = 8,184,545.75/x
  3. Step 3: Cross multiply
    9,205,967.71x = 12,709,678.55 × 8,184,545.75
  4. Step 4: Simplify right side
    9,205,967.71x = 104,022,945,519,345.94
  5. Step 5: Solve for x
    x = 104,022,945,519,345.94/9,205,967.71
  6. Step 6: Final answer
    x = 11,299,512.32

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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.