Home / 13,070,254.47-18,037,448.81-7,269,455.67

Finding the Fourth Proportional to 13,070,254.47, 18,037,448.81 and 7,269,455.67

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Solution

The fourth proportional to 13,070,254.47, 18,037,448.81 and 7,269,455.67 is: 10,032,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070,254.47 : 18,037,448.81 = 7,269,455.67 : x
  2. Step 2: Convert to fraction form
    13,070,254.47/18,037,448.81 = 7,269,455.67/x
  3. Step 3: Cross multiply
    13,070,254.47x = 18,037,448.81 × 7,269,455.67
  4. Step 4: Simplify right side
    13,070,254.47x = 131,122,434,524,189.23
  5. Step 5: Solve for x
    x = 131,122,434,524,189.23/13,070,254.47
  6. Step 6: Final answer
    x = 10,032,125.60

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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.