Home / 14,005,830.63-19,328,007.43-7,810,883.18

Finding the Fourth Proportional to 14,005,830.63, 19,328,007.43 and 7,810,883.18

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Solution

The fourth proportional to 14,005,830.63, 19,328,007.43 and 7,810,883.18 is: 10,778,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005,830.63 : 19,328,007.43 = 7,810,883.18 : x
  2. Step 2: Convert to fraction form
    14,005,830.63/19,328,007.43 = 7,810,883.18/x
  3. Step 3: Cross multiply
    14,005,830.63x = 19,328,007.43 × 7,810,883.18
  4. Step 4: Simplify right side
    14,005,830.63x = 150,968,808,137,902.03
  5. Step 5: Solve for x
    x = 150,968,808,137,902.03/14,005,830.63
  6. Step 6: Final answer
    x = 10,778,997.13

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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.