Home / 7,145,088.33-9,860,168.79-3,881,929.87

Finding the Fourth Proportional to 7,145,088.33, 9,860,168.79 and 3,881,929.87

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Solution

The fourth proportional to 7,145,088.33, 9,860,168.79 and 3,881,929.87 is: 5,357,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,088.33 : 9,860,168.79 = 3,881,929.87 : x
  2. Step 2: Convert to fraction form
    7,145,088.33/9,860,168.79 = 3,881,929.87/x
  3. Step 3: Cross multiply
    7,145,088.33x = 9,860,168.79 × 3,881,929.87
  4. Step 4: Simplify right side
    7,145,088.33x = 38,276,483,749,142.76
  5. Step 5: Solve for x
    x = 38,276,483,749,142.76/7,145,088.33
  6. Step 6: Final answer
    x = 5,357,034.37

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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.