Home / 28,297,072.80-42,445,609.20-10,353,175.20

Finding the Fourth Proportional to 28,297,072.80, 42,445,609.20 and 10,353,175.20

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Solution

The fourth proportional to 28,297,072.80, 42,445,609.20 and 10,353,175.20 is: 15,529,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297,072.80 : 42,445,609.20 = 10,353,175.20 : x
  2. Step 2: Convert to fraction form
    28,297,072.80/42,445,609.20 = 10,353,175.20/x
  3. Step 3: Cross multiply
    28,297,072.80x = 42,445,609.20 × 10,353,175.20
  4. Step 4: Simplify right side
    28,297,072.80x = 439,446,828,518,331.81
  5. Step 5: Solve for x
    x = 439,446,828,518,331.81/28,297,072.80
  6. Step 6: Final answer
    x = 15,529,762.80

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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.