Home / 9,009,684.45-12,433,565.21-5,142,127.77

Finding the Fourth Proportional to 9,009,684.45, 12,433,565.21 and 5,142,127.77

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Solution

The fourth proportional to 9,009,684.45, 12,433,565.21 and 5,142,127.77 is: 7,096,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009,684.45 : 12,433,565.21 = 5,142,127.77 : x
  2. Step 2: Convert to fraction form
    9,009,684.45/12,433,565.21 = 5,142,127.77/x
  3. Step 3: Cross multiply
    9,009,684.45x = 12,433,565.21 × 5,142,127.77
  4. Step 4: Simplify right side
    9,009,684.45x = 63,934,980,920,736.23
  5. Step 5: Solve for x
    x = 63,934,980,920,736.23/9,009,684.45
  6. Step 6: Final answer
    x = 7,096,250.85

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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.