Home / 19,936,642.90-29,904,964.37-4,790,574.40

Finding the Fourth Proportional to 19,936,642.90, 29,904,964.37 and 4,790,574.40

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Solution

The fourth proportional to 19,936,642.90, 29,904,964.37 and 4,790,574.40 is: 7,185,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936,642.90 : 29,904,964.37 = 4,790,574.40 : x
  2. Step 2: Convert to fraction form
    19,936,642.90/29,904,964.37 = 4,790,574.40/x
  3. Step 3: Cross multiply
    19,936,642.90x = 29,904,964.37 × 4,790,574.40
  4. Step 4: Simplify right side
    19,936,642.90x = 143,261,956,743,834.16
  5. Step 5: Solve for x
    x = 143,261,956,743,834.16/19,936,642.90
  6. Step 6: Final answer
    x = 7,185,861.60

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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.