Home / 13,070,259.12-18,037,455.28-7,269,460.32

Finding the Fourth Proportional to 13,070,259.12, 18,037,455.28 and 7,269,460.32

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Solution

The fourth proportional to 13,070,259.12, 18,037,455.28 and 7,269,460.32 is: 10,032,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070,259.12 : 18,037,455.28 = 7,269,460.32 : x
  2. Step 2: Convert to fraction form
    13,070,259.12/18,037,455.28 = 7,269,460.32/x
  3. Step 3: Cross multiply
    13,070,259.12x = 18,037,455.28 × 7,269,460.32
  4. Step 4: Simplify right side
    13,070,259.12x = 131,122,565,431,734.50
  5. Step 5: Solve for x
    x = 131,122,565,431,734.50/13,070,259.12
  6. Step 6: Final answer
    x = 10,032,132.05

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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.