Home / 8,876,926.56-12,249,460.96-5,438,700.12

Finding the Fourth Proportional to 8,876,926.56, 12,249,460.96 and 5,438,700.12

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Solution

The fourth proportional to 8,876,926.56, 12,249,460.96 and 5,438,700.12 is: 7,504,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876,926.56 : 12,249,460.96 = 5,438,700.12 : x
  2. Step 2: Convert to fraction form
    8,876,926.56/12,249,460.96 = 5,438,700.12/x
  3. Step 3: Cross multiply
    8,876,926.56x = 12,249,460.96 × 5,438,700.12
  4. Step 4: Simplify right side
    8,876,926.56x = 66,621,144,793,087.32
  5. Step 5: Solve for x
    x = 66,621,144,793,087.32/8,876,926.56
  6. Step 6: Final answer
    x = 7,504,978.70

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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.