Home / 13,926,873.93-19,219,155.65-8,702,915.51

Finding the Fourth Proportional to 13,926,873.93, 19,219,155.65 and 8,702,915.51

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Solution

The fourth proportional to 13,926,873.93, 19,219,155.65 and 8,702,915.51 is: 12,010,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926,873.93 : 19,219,155.65 = 8,702,915.51 : x
  2. Step 2: Convert to fraction form
    13,926,873.93/19,219,155.65 = 8,702,915.51/x
  3. Step 3: Cross multiply
    13,926,873.93x = 19,219,155.65 × 8,702,915.51
  4. Step 4: Simplify right side
    13,926,873.93x = 167,262,687,800,022.44
  5. Step 5: Solve for x
    x = 167,262,687,800,022.44/13,926,873.93
  6. Step 6: Final answer
    x = 12,010,066.91

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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.