Home / 13,257,518.04-18,293,266.80-7,455,179.16

Finding the Fourth Proportional to 13,257,518.04, 18,293,266.80 and 7,455,179.16

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Solution

The fourth proportional to 13,257,518.04, 18,293,266.80 and 7,455,179.16 is: 10,286,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257,518.04 : 18,293,266.80 = 7,455,179.16 : x
  2. Step 2: Convert to fraction form
    13,257,518.04/18,293,266.80 = 7,455,179.16/x
  3. Step 3: Cross multiply
    13,257,518.04x = 18,293,266.80 × 7,455,179.16
  4. Step 4: Simplify right side
    13,257,518.04x = 136,379,581,415,679.89
  5. Step 5: Solve for x
    x = 136,379,581,415,679.89/13,257,518.04
  6. Step 6: Final answer
    x = 10,286,961.78

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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.