Home / 19,669,637.70-29,531,028.60-12,495,184.20

Finding the Fourth Proportional to 19,669,637.70, 29,531,028.60 and 12,495,184.20

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Solution

The fourth proportional to 19,669,637.70, 29,531,028.60 and 12,495,184.20 is: 18,759,656.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669,637.70 : 29,531,028.60 = 12,495,184.20 : x
  2. Step 2: Convert to fraction form
    19,669,637.70/29,531,028.60 = 12,495,184.20/x
  3. Step 3: Cross multiply
    19,669,637.70x = 29,531,028.60 × 12,495,184.20
  4. Step 4: Simplify right side
    19,669,637.70x = 368,995,641,972,468.12
  5. Step 5: Solve for x
    x = 368,995,641,972,468.12/19,669,637.70
  6. Step 6: Final answer
    x = 18,759,656.26

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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.