Home / 9,310,197.56-12,847,870.90-5,390,118.86

Finding the Fourth Proportional to 9,310,197.56, 12,847,870.90 and 5,390,118.86

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Solution

The fourth proportional to 9,310,197.56, 12,847,870.90 and 5,390,118.86 is: 7,438,247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310,197.56 : 12,847,870.90 = 5,390,118.86 : x
  2. Step 2: Convert to fraction form
    9,310,197.56/12,847,870.90 = 5,390,118.86/x
  3. Step 3: Cross multiply
    9,310,197.56x = 12,847,870.90 × 5,390,118.86
  4. Step 4: Simplify right side
    9,310,197.56x = 69,251,551,248,935.18
  5. Step 5: Solve for x
    x = 69,251,551,248,935.18/9,310,197.56
  6. Step 6: Final answer
    x = 7,438,247.23

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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.