Home / 19,728,020.40-29,592,030.60-14,311,258.80

Finding the Fourth Proportional to 19,728,020.40, 29,592,030.60 and 14,311,258.80

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Solution

The fourth proportional to 19,728,020.40, 29,592,030.60 and 14,311,258.80 is: 21,466,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728,020.40 : 29,592,030.60 = 14,311,258.80 : x
  2. Step 2: Convert to fraction form
    19,728,020.40/29,592,030.60 = 14,311,258.80/x
  3. Step 3: Cross multiply
    19,728,020.40x = 29,592,030.60 × 14,311,258.80
  4. Step 4: Simplify right side
    19,728,020.40x = 423,499,208,334,119.31
  5. Step 5: Solve for x
    x = 423,499,208,334,119.31/19,728,020.40
  6. Step 6: Final answer
    x = 21,466,888.20

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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.