Home / 13,070,253.47-18,037,447.43-7,269,454.67

Finding the Fourth Proportional to 13,070,253.47, 18,037,447.43 and 7,269,454.67

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Solution

The fourth proportional to 13,070,253.47, 18,037,447.43 and 7,269,454.67 is: 10,032,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070,253.47 : 18,037,447.43 = 7,269,454.67 : x
  2. Step 2: Convert to fraction form
    13,070,253.47/18,037,447.43 = 7,269,454.67/x
  3. Step 3: Cross multiply
    13,070,253.47x = 18,037,447.43 × 7,269,454.67
  4. Step 4: Simplify right side
    13,070,253.47x = 131,122,406,328,358.50
  5. Step 5: Solve for x
    x = 131,122,406,328,358.50/13,070,253.47
  6. Step 6: Final answer
    x = 10,032,124.22

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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.