Home / 8,333,635.19-12,562,915.10-7,778,113.30

Finding the Fourth Proportional to 8,333,635.19, 12,562,915.10 and 7,778,113.30

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Solution

The fourth proportional to 8,333,635.19, 12,562,915.10 and 7,778,113.30 is: 11,725,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,635.19 : 12,562,915.10 = 7,778,113.30 : x
  2. Step 2: Convert to fraction form
    8,333,635.19/12,562,915.10 = 7,778,113.30/x
  3. Step 3: Cross multiply
    8,333,635.19x = 12,562,915.10 × 7,778,113.30
  4. Step 4: Simplify right side
    8,333,635.19x = 97,715,777,026,080.83
  5. Step 5: Solve for x
    x = 97,715,777,026,080.83/8,333,635.19
  6. Step 6: Final answer
    x = 11,725,468.51

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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.