Home / 30,336,036.10-45,504,054.15-19,586,493.70

Finding the Fourth Proportional to 30,336,036.10, 45,504,054.15 and 19,586,493.70

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Solution

The fourth proportional to 30,336,036.10, 45,504,054.15 and 19,586,493.70 is: 29,379,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,336,036.10 : 45,504,054.15 = 19,586,493.70 : x
  2. Step 2: Convert to fraction form
    30,336,036.10/45,504,054.15 = 19,586,493.70/x
  3. Step 3: Cross multiply
    30,336,036.10x = 45,504,054.15 × 19,586,493.70
  4. Step 4: Simplify right side
    30,336,036.10x = 891,264,869,933,433.75
  5. Step 5: Solve for x
    x = 891,264,869,933,433.75/30,336,036.10
  6. Step 6: Final answer
    x = 29,379,740.55

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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.