Home / 19,517,130.82-26,933,800-10,815,448.78

Finding the Fourth Proportional to 19,517,130.82, 26,933,800 and 10,815,448.78

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Solution

The fourth proportional to 19,517,130.82, 26,933,800 and 10,815,448.78 is: 14,925,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517,130.82 : 26,933,800 = 10,815,448.78 : x
  2. Step 2: Convert to fraction form
    19,517,130.82/26,933,800 = 10,815,448.78/x
  3. Step 3: Cross multiply
    19,517,130.82x = 26,933,800 × 10,815,448.78
  4. Step 4: Simplify right side
    19,517,130.82x = 291,301,134,216,095
  5. Step 5: Solve for x
    x = 291,301,134,216,095/19,517,130.82
  6. Step 6: Final answer
    x = 14,925,407.68

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1.5x scale

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.