Home / 19,438,528.81-29,162,142.33-7,308,097.38

Finding the Fourth Proportional to 19,438,528.81, 29,162,142.33 and 7,308,097.38

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Solution

The fourth proportional to 19,438,528.81, 29,162,142.33 and 7,308,097.38 is: 10,963,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438,528.81 : 29,162,142.33 = 7,308,097.38 : x
  2. Step 2: Convert to fraction form
    19,438,528.81/29,162,142.33 = 7,308,097.38/x
  3. Step 3: Cross multiply
    19,438,528.81x = 29,162,142.33 × 7,308,097.38
  4. Step 4: Simplify right side
    19,438,528.81x = 213,119,775,957,060.09
  5. Step 5: Solve for x
    x = 213,119,775,957,060.09/19,438,528.81
  6. Step 6: Final answer
    x = 10,963,781.16

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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.