Home / 13,137,021.40-19,720,277.70-10,158,410.20

Finding the Fourth Proportional to 13,137,021.40, 19,720,277.70 and 10,158,410.20

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Solution

The fourth proportional to 13,137,021.40, 19,720,277.70 and 10,158,410.20 is: 15,249,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137,021.40 : 19,720,277.70 = 10,158,410.20 : x
  2. Step 2: Convert to fraction form
    13,137,021.40/19,720,277.70 = 10,158,410.20/x
  3. Step 3: Cross multiply
    13,137,021.40x = 19,720,277.70 × 10,158,410.20
  4. Step 4: Simplify right side
    13,137,021.40x = 200,326,670,134,512.53
  5. Step 5: Solve for x
    x = 200,326,670,134,512.53/13,137,021.40
  6. Step 6: Final answer
    x = 15,249,017.57

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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.