Home / 15,673,886.84-21,628,005.18-8,703,616.70

Finding the Fourth Proportional to 15,673,886.84, 21,628,005.18 and 8,703,616.70

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Solution

The fourth proportional to 15,673,886.84, 21,628,005.18 and 8,703,616.70 is: 12,009,903.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673,886.84 : 21,628,005.18 = 8,703,616.70 : x
  2. Step 2: Convert to fraction form
    15,673,886.84/21,628,005.18 = 8,703,616.70/x
  3. Step 3: Cross multiply
    15,673,886.84x = 21,628,005.18 × 8,703,616.70
  4. Step 4: Simplify right side
    15,673,886.84x = 188,241,866,964,194.47
  5. Step 5: Solve for x
    x = 188,241,866,964,194.47/15,673,886.84
  6. Step 6: Final answer
    x = 12,009,903.41

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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.