Home / 13,070,528.55-18,037,561.14-7,269,312.60

Finding the Fourth Proportional to 13,070,528.55, 18,037,561.14 and 7,269,312.60

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Solution

The fourth proportional to 13,070,528.55, 18,037,561.14 and 7,269,312.60 is: 10,031,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070,528.55 : 18,037,561.14 = 7,269,312.60 : x
  2. Step 2: Convert to fraction form
    13,070,528.55/18,037,561.14 = 7,269,312.60/x
  3. Step 3: Cross multiply
    13,070,528.55x = 18,037,561.14 × 7,269,312.60
  4. Step 4: Simplify right side
    13,070,528.55x = 131,120,670,468,272.36
  5. Step 5: Solve for x
    x = 131,120,670,468,272.36/13,070,528.55
  6. Step 6: Final answer
    x = 10,031,780.27

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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.