Home / 7,748,935.79-11,626,019.45-3,430,390.37

Finding the Fourth Proportional to 7,748,935.79, 11,626,019.45 and 3,430,390.37

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Solution

The fourth proportional to 7,748,935.79, 11,626,019.45 and 3,430,390.37 is: 5,146,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748,935.79 : 11,626,019.45 = 3,430,390.37 : x
  2. Step 2: Convert to fraction form
    7,748,935.79/11,626,019.45 = 3,430,390.37/x
  3. Step 3: Cross multiply
    7,748,935.79x = 11,626,019.45 × 3,430,390.37
  4. Step 4: Simplify right side
    7,748,935.79x = 39,881,785,145,560.75
  5. Step 5: Solve for x
    x = 39,881,785,145,560.75/7,748,935.79
  6. Step 6: Final answer
    x = 5,146,743.53

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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.