Home / 19,918,015.20-29,877,022.80-19,729,058.40

Finding the Fourth Proportional to 19,918,015.20, 29,877,022.80 and 19,729,058.40

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Solution

The fourth proportional to 19,918,015.20, 29,877,022.80 and 19,729,058.40 is: 29,593,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918,015.20 : 29,877,022.80 = 19,729,058.40 : x
  2. Step 2: Convert to fraction form
    19,918,015.20/29,877,022.80 = 19,729,058.40/x
  3. Step 3: Cross multiply
    19,918,015.20x = 29,877,022.80 × 19,729,058.40
  4. Step 4: Simplify right side
    19,918,015.20x = 589,445,527,639,331.50
  5. Step 5: Solve for x
    x = 589,445,527,639,331.50/19,918,015.20
  6. Step 6: Final answer
    x = 29,593,587.60

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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.