Home / 19,075,621.56-28,626,037.14-8,981,129.40

Finding the Fourth Proportional to 19,075,621.56, 28,626,037.14 and 8,981,129.40

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Solution

The fourth proportional to 19,075,621.56, 28,626,037.14 and 8,981,129.40 is: 13,477,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075,621.56 : 28,626,037.14 = 8,981,129.40 : x
  2. Step 2: Convert to fraction form
    19,075,621.56/28,626,037.14 = 8,981,129.40/x
  3. Step 3: Cross multiply
    19,075,621.56x = 28,626,037.14 × 8,981,129.40
  4. Step 4: Simplify right side
    19,075,621.56x = 257,094,143,763,545.94
  5. Step 5: Solve for x
    x = 257,094,143,763,545.94/19,075,621.56
  6. Step 6: Final answer
    x = 13,477,628.66

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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.