Home / 13,173,907-18,179,991.66-7,144,595

Finding the Fourth Proportional to 13,173,907, 18,179,991.66 and 7,144,595

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Solution

The fourth proportional to 13,173,907, 18,179,991.66 and 7,144,595 is: 9,859,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,907 : 18,179,991.66 = 7,144,595 : x
  2. Step 2: Convert to fraction form
    13,173,907/18,179,991.66 = 7,144,595/x
  3. Step 3: Cross multiply
    13,173,907x = 18,179,991.66 × 7,144,595
  4. Step 4: Simplify right side
    13,173,907x = 129,888,677,514,077.70
  5. Step 5: Solve for x
    x = 129,888,677,514,077.70/13,173,907
  6. Step 6: Final answer
    x = 9,859,541.10

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1.5x scale

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.