Home / 21,838,620.14-30,137,210.70-12,049,673.48

Finding the Fourth Proportional to 21,838,620.14, 30,137,210.70 and 12,049,673.48

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Solution

The fourth proportional to 21,838,620.14, 30,137,210.70 and 12,049,673.48 is: 16,628,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,838,620.14 : 30,137,210.70 = 12,049,673.48 : x
  2. Step 2: Convert to fraction form
    21,838,620.14/30,137,210.70 = 12,049,673.48/x
  3. Step 3: Cross multiply
    21,838,620.14x = 30,137,210.70 × 12,049,673.48
  4. Step 4: Simplify right side
    21,838,620.14x = 363,143,548,532,962.25
  5. Step 5: Solve for x
    x = 363,143,548,532,962.25/21,838,620.14
  6. Step 6: Final answer
    x = 16,628,502.45

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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.