Home / 7,921,862.07-11,881,388.48-3,602,900.66

Finding the Fourth Proportional to 7,921,862.07, 11,881,388.48 and 3,602,900.66

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Solution

The fourth proportional to 7,921,862.07, 11,881,388.48 and 3,602,900.66 is: 5,403,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,862.07 : 11,881,388.48 = 3,602,900.66 : x
  2. Step 2: Convert to fraction form
    7,921,862.07/11,881,388.48 = 3,602,900.66/x
  3. Step 3: Cross multiply
    7,921,862.07x = 11,881,388.48 × 3,602,900.66
  4. Step 4: Simplify right side
    7,921,862.07x = 42,807,462,318,886.95
  5. Step 5: Solve for x
    x = 42,807,462,318,886.95/7,921,862.07
  6. Step 6: Final answer
    x = 5,403,712.15

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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.