Home / 6,663,719.71-9,995,579.73-1,615,030.21

Finding the Fourth Proportional to 6,663,719.71, 9,995,579.73 and 1,615,030.21

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Solution

The fourth proportional to 6,663,719.71, 9,995,579.73 and 1,615,030.21 is: 2,422,545.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663,719.71 : 9,995,579.73 = 1,615,030.21 : x
  2. Step 2: Convert to fraction form
    6,663,719.71/9,995,579.73 = 1,615,030.21/x
  3. Step 3: Cross multiply
    6,663,719.71x = 9,995,579.73 × 1,615,030.21
  4. Step 4: Simplify right side
    6,663,719.71x = 16,143,163,203,009.50
  5. Step 5: Solve for x
    x = 16,143,163,203,009.50/6,663,719.71
  6. Step 6: Final answer
    x = 2,422,545.35

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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.