Home / 19,453,495.76-26,849,157.72-11,309,457.68

Finding the Fourth Proportional to 19,453,495.76, 26,849,157.72 and 11,309,457.68

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Solution

The fourth proportional to 19,453,495.76, 26,849,157.72 and 11,309,457.68 is: 15,608,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453,495.76 : 26,849,157.72 = 11,309,457.68 : x
  2. Step 2: Convert to fraction form
    19,453,495.76/26,849,157.72 = 11,309,457.68/x
  3. Step 3: Cross multiply
    19,453,495.76x = 26,849,157.72 × 11,309,457.68
  4. Step 4: Simplify right side
    19,453,495.76x = 303,649,412,977,985.25
  5. Step 5: Solve for x
    x = 303,649,412,977,985.25/19,453,495.76
  6. Step 6: Final answer
    x = 15,608,989.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.