Home / 12,297,355.10-18,446,032.65-7,762,391.90

Finding the Fourth Proportional to 12,297,355.10, 18,446,032.65 and 7,762,391.90

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Solution

The fourth proportional to 12,297,355.10, 18,446,032.65 and 7,762,391.90 is: 11,643,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297,355.10 : 18,446,032.65 = 7,762,391.90 : x
  2. Step 2: Convert to fraction form
    12,297,355.10/18,446,032.65 = 7,762,391.90/x
  3. Step 3: Cross multiply
    12,297,355.10x = 18,446,032.65 × 7,762,391.90
  4. Step 4: Simplify right side
    12,297,355.10x = 143,185,334,429,495.53
  5. Step 5: Solve for x
    x = 143,185,334,429,495.53/12,297,355.10
  6. Step 6: Final answer
    x = 11,643,587.85

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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.