Home / 19,140,289.01-26,409,058.83-10,879,701.08

Finding the Fourth Proportional to 19,140,289.01, 26,409,058.83 and 10,879,701.08

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Solution

The fourth proportional to 19,140,289.01, 26,409,058.83 and 10,879,701.08 is: 15,011,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140,289.01 : 26,409,058.83 = 10,879,701.08 : x
  2. Step 2: Convert to fraction form
    19,140,289.01/26,409,058.83 = 10,879,701.08/x
  3. Step 3: Cross multiply
    19,140,289.01x = 26,409,058.83 × 10,879,701.08
  4. Step 4: Simplify right side
    19,140,289.01x = 287,322,665,891,040.19
  5. Step 5: Solve for x
    x = 287,322,665,891,040.19/19,140,289.01
  6. Step 6: Final answer
    x = 15,011,406.86

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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.