Home / 12,549,458.50-17,318,253-7,116,950.50

Finding the Fourth Proportional to 12,549,458.50, 17,318,253 and 7,116,950.50

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Solution

The fourth proportional to 12,549,458.50, 17,318,253 and 7,116,950.50 is: 9,821,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549,458.50 : 17,318,253 = 7,116,950.50 : x
  2. Step 2: Convert to fraction form
    12,549,458.50/17,318,253 = 7,116,950.50/x
  3. Step 3: Cross multiply
    12,549,458.50x = 17,318,253 × 7,116,950.50
  4. Step 4: Simplify right side
    12,549,458.50x = 123,253,149,347,476.50
  5. Step 5: Solve for x
    x = 123,253,149,347,476.50/12,549,458.50
  6. Step 6: Final answer
    x = 9,821,391.84

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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.