Home / 30,976,167.31-42,742,164.31-17,225,231.47

Finding the Fourth Proportional to 30,976,167.31, 42,742,164.31 and 17,225,231.47

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Solution

The fourth proportional to 30,976,167.31, 42,742,164.31 and 17,225,231.47 is: 23,768,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976,167.31 : 42,742,164.31 = 17,225,231.47 : x
  2. Step 2: Convert to fraction form
    30,976,167.31/42,742,164.31 = 17,225,231.47/x
  3. Step 3: Cross multiply
    30,976,167.31x = 42,742,164.31 × 17,225,231.47
  4. Step 4: Simplify right side
    30,976,167.31x = 736,243,673,768,522.88
  5. Step 5: Solve for x
    x = 736,243,673,768,522.88/30,976,167.31
  6. Step 6: Final answer
    x = 23,768,068.73

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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.