Home / 19,190,266.32-28,775,619-6,406,176.72

Finding the Fourth Proportional to 19,190,266.32, 28,775,619 and 6,406,176.72

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Solution

The fourth proportional to 19,190,266.32, 28,775,619 and 6,406,176.72 is: 9,606,000.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190,266.32 : 28,775,619 = 6,406,176.72 : x
  2. Step 2: Convert to fraction form
    19,190,266.32/28,775,619 = 6,406,176.72/x
  3. Step 3: Cross multiply
    19,190,266.32x = 28,775,619 × 6,406,176.72
  4. Step 4: Simplify right side
    19,190,266.32x = 184,341,700,541,389.69
  5. Step 5: Solve for x
    x = 184,341,700,541,389.69/19,190,266.32
  6. Step 6: Final answer
    x = 9,606,000.12

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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.