Home / 13,125,872.40-18,331,431.60-13,125,872.40

Finding the Fourth Proportional to 13,125,872.40, 18,331,431.60 and 13,125,872.40

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Solution

The fourth proportional to 13,125,872.40, 18,331,431.60 and 13,125,872.40 is: 18,331,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125,872.40 : 18,331,431.60 = 13,125,872.40 : x
  2. Step 2: Convert to fraction form
    13,125,872.40/18,331,431.60 = 13,125,872.40/x
  3. Step 3: Cross multiply
    13,125,872.40x = 18,331,431.60 × 13,125,872.40
  4. Step 4: Simplify right side
    13,125,872.40x = 240,616,032,090,927.88
  5. Step 5: Solve for x
    x = 240,616,032,090,927.88/13,125,872.40
  6. Step 6: Final answer
    x = 18,331,431.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.