Home / 19,571,407.20-29,357,110.80-15,540,328.80

Finding the Fourth Proportional to 19,571,407.20, 29,357,110.80 and 15,540,328.80

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Solution

The fourth proportional to 19,571,407.20, 29,357,110.80 and 15,540,328.80 is: 23,310,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571,407.20 : 29,357,110.80 = 15,540,328.80 : x
  2. Step 2: Convert to fraction form
    19,571,407.20/29,357,110.80 = 15,540,328.80/x
  3. Step 3: Cross multiply
    19,571,407.20x = 29,357,110.80 × 15,540,328.80
  4. Step 4: Simplify right side
    19,571,407.20x = 456,219,154,450,031.06
  5. Step 5: Solve for x
    x = 456,219,154,450,031.06/19,571,407.20
  6. Step 6: Final answer
    x = 23,310,493.20

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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.