Home / 19,316,324.40-26,629,891.52-15,409,343.22

Finding the Fourth Proportional to 19,316,324.40, 26,629,891.52 and 15,409,343.22

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Solution

The fourth proportional to 19,316,324.40, 26,629,891.52 and 15,409,343.22 is: 21,243,645.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316,324.40 : 26,629,891.52 = 15,409,343.22 : x
  2. Step 2: Convert to fraction form
    19,316,324.40/26,629,891.52 = 15,409,343.22/x
  3. Step 3: Cross multiply
    19,316,324.40x = 26,629,891.52 × 15,409,343.22
  4. Step 4: Simplify right side
    19,316,324.40x = 410,349,138,266,000.81
  5. Step 5: Solve for x
    x = 410,349,138,266,000.81/19,316,324.40
  6. Step 6: Final answer
    x = 21,243,645.00

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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.