Home / 27,709,111.76-38,238,629.64-15,485,968.40

Finding the Fourth Proportional to 27,709,111.76, 38,238,629.64 and 15,485,968.40

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Solution

The fourth proportional to 27,709,111.76, 38,238,629.64 and 15,485,968.40 is: 21,370,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,709,111.76 : 38,238,629.64 = 15,485,968.40 : x
  2. Step 2: Convert to fraction form
    27,709,111.76/38,238,629.64 = 15,485,968.40/x
  3. Step 3: Cross multiply
    27,709,111.76x = 38,238,629.64 × 15,485,968.40
  4. Step 4: Simplify right side
    27,709,111.76x = 592,162,210,264,343.38
  5. Step 5: Solve for x
    x = 592,162,210,264,343.38/27,709,111.76
  6. Step 6: Final answer
    x = 21,370,667.36

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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.