Home / 30,336,009.60-45,504,014.40-19,586,467.20

Finding the Fourth Proportional to 30,336,009.60, 45,504,014.40 and 19,586,467.20

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Solution

The fourth proportional to 30,336,009.60, 45,504,014.40 and 19,586,467.20 is: 29,379,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,336,009.60 : 45,504,014.40 = 19,586,467.20 : x
  2. Step 2: Convert to fraction form
    30,336,009.60/45,504,014.40 = 19,586,467.20/x
  3. Step 3: Cross multiply
    30,336,009.60x = 45,504,014.40 × 19,586,467.20
  4. Step 4: Simplify right side
    30,336,009.60x = 891,262,885,513,927.62
  5. Step 5: Solve for x
    x = 891,262,885,513,927.62/30,336,009.60
  6. Step 6: Final answer
    x = 29,379,700.80

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1.5x scale

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.