Home / 10,297,315.70-15,445,973.55-7,913,194.10

Finding the Fourth Proportional to 10,297,315.70, 15,445,973.55 and 7,913,194.10

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Solution

The fourth proportional to 10,297,315.70, 15,445,973.55 and 7,913,194.10 is: 11,869,791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297,315.70 : 15,445,973.55 = 7,913,194.10 : x
  2. Step 2: Convert to fraction form
    10,297,315.70/15,445,973.55 = 7,913,194.10/x
  3. Step 3: Cross multiply
    10,297,315.70x = 15,445,973.55 × 7,913,194.10
  4. Step 4: Simplify right side
    10,297,315.70x = 122,226,986,764,616.06
  5. Step 5: Solve for x
    x = 122,226,986,764,616.06/10,297,315.70
  6. Step 6: Final answer
    x = 11,869,791.15

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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.