Home / 13,289,177.80-19,921,325.10-10,408,947.40

Finding the Fourth Proportional to 13,289,177.80, 19,921,325.10 and 10,408,947.40

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Solution

The fourth proportional to 13,289,177.80, 19,921,325.10 and 10,408,947.40 is: 15,603,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289,177.80 : 19,921,325.10 = 10,408,947.40 : x
  2. Step 2: Convert to fraction form
    13,289,177.80/19,921,325.10 = 10,408,947.40/x
  3. Step 3: Cross multiply
    13,289,177.80x = 19,921,325.10 × 10,408,947.40
  4. Step 4: Simplify right side
    13,289,177.80x = 207,360,025,104,199.75
  5. Step 5: Solve for x
    x = 207,360,025,104,199.75/13,289,177.80
  6. Step 6: Final answer
    x = 15,603,676.03

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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.