Home / 8,333,632.92-12,562,911.65-7,778,111.01

Finding the Fourth Proportional to 8,333,632.92, 12,562,911.65 and 7,778,111.01

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Solution

The fourth proportional to 8,333,632.92, 12,562,911.65 and 7,778,111.01 is: 11,725,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,632.92 : 12,562,911.65 = 7,778,111.01 : x
  2. Step 2: Convert to fraction form
    8,333,632.92/12,562,911.65 = 7,778,111.01/x
  3. Step 3: Cross multiply
    8,333,632.92x = 12,562,911.65 × 7,778,111.01
  4. Step 4: Simplify right side
    8,333,632.92x = 97,715,721,422,522.27
  5. Step 5: Solve for x
    x = 97,715,721,422,522.27/8,333,632.92
  6. Step 6: Final answer
    x = 11,725,465.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.