Home / 13,407,885.16-18,501,374.16-7,900,902.52

Finding the Fourth Proportional to 13,407,885.16, 18,501,374.16 and 7,900,902.52

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Solution

The fourth proportional to 13,407,885.16, 18,501,374.16 and 7,900,902.52 is: 10,902,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,885.16 : 18,501,374.16 = 7,900,902.52 : x
  2. Step 2: Convert to fraction form
    13,407,885.16/18,501,374.16 = 7,900,902.52/x
  3. Step 3: Cross multiply
    13,407,885.16x = 18,501,374.16 × 7,900,902.52
  4. Step 4: Simplify right side
    13,407,885.16x = 146,177,553,724,206.88
  5. Step 5: Solve for x
    x = 146,177,553,724,206.88/13,407,885.16
  6. Step 6: Final answer
    x = 10,902,357.23

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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.