Home / 19,266,213.72-28,879,090.74-6,482,280.18

Finding the Fourth Proportional to 19,266,213.72, 28,879,090.74 and 6,482,280.18

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Solution

The fourth proportional to 19,266,213.72, 28,879,090.74 and 6,482,280.18 is: 9,716,613.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266,213.72 : 28,879,090.74 = 6,482,280.18 : x
  2. Step 2: Convert to fraction form
    19,266,213.72/28,879,090.74 = 6,482,280.18/x
  3. Step 3: Cross multiply
    19,266,213.72x = 28,879,090.74 × 6,482,280.18
  4. Step 4: Simplify right side
    19,266,213.72x = 187,202,357,520,323.50
  5. Step 5: Solve for x
    x = 187,202,357,520,323.50/19,266,213.72
  6. Step 6: Final answer
    x = 9,716,613.77

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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.