Home / 30,134,201.15-41,594,047.76-19,681,815.40

Finding the Fourth Proportional to 30,134,201.15, 41,594,047.76 and 19,681,815.40

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Solution

The fourth proportional to 30,134,201.15, 41,594,047.76 and 19,681,815.40 is: 27,166,685.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134,201.15 : 41,594,047.76 = 19,681,815.40 : x
  2. Step 2: Convert to fraction form
    30,134,201.15/41,594,047.76 = 19,681,815.40/x
  3. Step 3: Cross multiply
    30,134,201.15x = 41,594,047.76 × 19,681,815.40
  4. Step 4: Simplify right side
    30,134,201.15x = 818,646,369,751,103.38
  5. Step 5: Solve for x
    x = 818,646,369,751,103.38/30,134,201.15
  6. Step 6: Final answer
    x = 27,166,685.64

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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.