Home / 19,190,267.82-28,775,621.25-6,406,178.22

Finding the Fourth Proportional to 19,190,267.82, 28,775,621.25 and 6,406,178.22

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Solution

The fourth proportional to 19,190,267.82, 28,775,621.25 and 6,406,178.22 is: 9,606,002.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190,267.82 : 28,775,621.25 = 6,406,178.22 : x
  2. Step 2: Convert to fraction form
    19,190,267.82/28,775,621.25 = 6,406,178.22/x
  3. Step 3: Cross multiply
    19,190,267.82x = 28,775,621.25 × 6,406,178.22
  4. Step 4: Simplify right side
    19,190,267.82x = 184,341,758,118,719.16
  5. Step 5: Solve for x
    x = 184,341,758,118,719.16/19,190,267.82
  6. Step 6: Final answer
    x = 9,606,002.37

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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.