Home / 30,094,949.79-45,065,790.72-19,828,685.15

Finding the Fourth Proportional to 30,094,949.79, 45,065,790.72 and 19,828,685.15

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Solution

The fourth proportional to 30,094,949.79, 45,065,790.72 and 19,828,685.15 is: 29,692,535.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,094,949.79 : 45,065,790.72 = 19,828,685.15 : x
  2. Step 2: Convert to fraction form
    30,094,949.79/45,065,790.72 = 19,828,685.15/x
  3. Step 3: Cross multiply
    30,094,949.79x = 45,065,790.72 × 19,828,685.15
  4. Step 4: Simplify right side
    30,094,949.79x = 893,595,375,166,339.50
  5. Step 5: Solve for x
    x = 893,595,375,166,339.50/30,094,949.79
  6. Step 6: Final answer
    x = 29,692,535.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.