Home / 9,320,985.38-12,863,358.90-5,191,016.49

Finding the Fourth Proportional to 9,320,985.38, 12,863,358.90 and 5,191,016.49

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Solution

The fourth proportional to 9,320,985.38, 12,863,358.90 and 5,191,016.49 is: 7,163,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320,985.38 : 12,863,358.90 = 5,191,016.49 : x
  2. Step 2: Convert to fraction form
    9,320,985.38/12,863,358.90 = 5,191,016.49/x
  3. Step 3: Cross multiply
    9,320,985.38x = 12,863,358.90 × 5,191,016.49
  4. Step 4: Simplify right side
    9,320,985.38x = 66,773,908,166,688.27
  5. Step 5: Solve for x
    x = 66,773,908,166,688.27/9,320,985.38
  6. Step 6: Final answer
    x = 7,163,825.01

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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.