Home / 18,599,784.47-25,629,848.88-14,387,881.38

Finding the Fourth Proportional to 18,599,784.47, 25,629,848.88 and 14,387,881.38

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Solution

The fourth proportional to 18,599,784.47, 25,629,848.88 and 14,387,881.38 is: 19,825,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599,784.47 : 25,629,848.88 = 14,387,881.38 : x
  2. Step 2: Convert to fraction form
    18,599,784.47/25,629,848.88 = 14,387,881.38/x
  3. Step 3: Cross multiply
    18,599,784.47x = 25,629,848.88 × 14,387,881.38
  4. Step 4: Simplify right side
    18,599,784.47x = 368,759,225,500,870.81
  5. Step 5: Solve for x
    x = 368,759,225,500,870.81/18,599,784.47
  6. Step 6: Final answer
    x = 19,825,994.55

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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.