Home / 12,611,649.35-18,914,570.66-4,935,476.18

Finding the Fourth Proportional to 12,611,649.35, 18,914,570.66 and 4,935,476.18

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Solution

The fourth proportional to 12,611,649.35, 18,914,570.66 and 4,935,476.18 is: 7,402,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611,649.35 : 18,914,570.66 = 4,935,476.18 : x
  2. Step 2: Convert to fraction form
    12,611,649.35/18,914,570.66 = 4,935,476.18/x
  3. Step 3: Cross multiply
    12,611,649.35x = 18,914,570.66 × 4,935,476.18
  4. Step 4: Simplify right side
    12,611,649.35x = 93,352,412,828,106.64
  5. Step 5: Solve for x
    x = 93,352,412,828,106.64/12,611,649.35
  6. Step 6: Final answer
    x = 7,402,078.05

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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.