Home / 19,345,719.96-26,697,507-10,643,917.56

Finding the Fourth Proportional to 19,345,719.96, 26,697,507 and 10,643,917.56

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Solution

The fourth proportional to 19,345,719.96, 26,697,507 and 10,643,917.56 is: 14,688,833.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345,719.96 : 26,697,507 = 10,643,917.56 : x
  2. Step 2: Convert to fraction form
    19,345,719.96/26,697,507 = 10,643,917.56/x
  3. Step 3: Cross multiply
    19,345,719.96x = 26,697,507 × 10,643,917.56
  4. Step 4: Simplify right side
    19,345,719.96x = 284,166,063,565,522.94
  5. Step 5: Solve for x
    x = 284,166,063,565,522.94/19,345,719.96
  6. Step 6: Final answer
    x = 14,688,833.71

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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.