Home / 19,961,791.74-29,956,062.60-7,007,980.86

Finding the Fourth Proportional to 19,961,791.74, 29,956,062.60 and 7,007,980.86

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Solution

The fourth proportional to 19,961,791.74, 29,956,062.60 and 7,007,980.86 is: 10,516,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961,791.74 : 29,956,062.60 = 7,007,980.86 : x
  2. Step 2: Convert to fraction form
    19,961,791.74/29,956,062.60 = 7,007,980.86/x
  3. Step 3: Cross multiply
    19,961,791.74x = 29,956,062.60 × 7,007,980.86
  4. Step 4: Simplify right side
    19,961,791.74x = 209,931,513,341,761.84
  5. Step 5: Solve for x
    x = 209,931,513,341,761.84/19,961,791.74
  6. Step 6: Final answer
    x = 10,516,666.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.