Home / 13,214,398.65-18,235,994.51-7,413,304.93

Finding the Fourth Proportional to 13,214,398.65, 18,235,994.51 and 7,413,304.93

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Solution

The fourth proportional to 13,214,398.65, 18,235,994.51 and 7,413,304.93 is: 10,230,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,398.65 : 18,235,994.51 = 7,413,304.93 : x
  2. Step 2: Convert to fraction form
    13,214,398.65/18,235,994.51 = 7,413,304.93/x
  3. Step 3: Cross multiply
    13,214,398.65x = 18,235,994.51 × 7,413,304.93
  4. Step 4: Simplify right side
    13,214,398.65x = 135,188,988,059,110.48
  5. Step 5: Solve for x
    x = 135,188,988,059,110.48/13,214,398.65
  6. Step 6: Final answer
    x = 10,230,430.58

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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.