Home / 18,362,994.93-25,341,134.13-9,990,412.29

Finding the Fourth Proportional to 18,362,994.93, 25,341,134.13 and 9,990,412.29

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Solution

The fourth proportional to 18,362,994.93, 25,341,134.13 and 9,990,412.29 is: 13,786,878.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362,994.93 : 25,341,134.13 = 9,990,412.29 : x
  2. Step 2: Convert to fraction form
    18,362,994.93/25,341,134.13 = 9,990,412.29/x
  3. Step 3: Cross multiply
    18,362,994.93x = 25,341,134.13 × 9,990,412.29
  4. Step 4: Simplify right side
    18,362,994.93x = 253,168,377,854,890.44
  5. Step 5: Solve for x
    x = 253,168,377,854,890.44/18,362,994.93
  6. Step 6: Final answer
    x = 13,786,878.38

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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.