Home / 21,557,500.60-32,289,011.70-19,164,047.80

Finding the Fourth Proportional to 21,557,500.60, 32,289,011.70 and 19,164,047.80

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Solution

The fourth proportional to 21,557,500.60, 32,289,011.70 and 19,164,047.80 is: 28,704,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,500.60 : 32,289,011.70 = 19,164,047.80 : x
  2. Step 2: Convert to fraction form
    21,557,500.60/32,289,011.70 = 19,164,047.80/x
  3. Step 3: Cross multiply
    21,557,500.60x = 32,289,011.70 × 19,164,047.80
  4. Step 4: Simplify right side
    21,557,500.60x = 618,788,163,633,559.25
  5. Step 5: Solve for x
    x = 618,788,163,633,559.25/21,557,500.60
  6. Step 6: Final answer
    x = 28,704,077.30

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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.