Home / 13,282,632.96-18,323,770.76-7,772,627.76

Finding the Fourth Proportional to 13,282,632.96, 18,323,770.76 and 7,772,627.76

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Solution

The fourth proportional to 13,282,632.96, 18,323,770.76 and 7,772,627.76 is: 10,722,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282,632.96 : 18,323,770.76 = 7,772,627.76 : x
  2. Step 2: Convert to fraction form
    13,282,632.96/18,323,770.76 = 7,772,627.76/x
  3. Step 3: Cross multiply
    13,282,632.96x = 18,323,770.76 × 7,772,627.76
  4. Step 4: Simplify right side
    13,282,632.96x = 142,423,849,277,052.31
  5. Step 5: Solve for x
    x = 142,423,849,277,052.31/13,282,632.96
  6. Step 6: Final answer
    x = 10,722,561.54

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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.