Home / 19,314,167.20-28,971,250.80-12,595,703.20

Finding the Fourth Proportional to 19,314,167.20, 28,971,250.80 and 12,595,703.20

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Solution

The fourth proportional to 19,314,167.20, 28,971,250.80 and 12,595,703.20 is: 18,893,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314,167.20 : 28,971,250.80 = 12,595,703.20 : x
  2. Step 2: Convert to fraction form
    19,314,167.20/28,971,250.80 = 12,595,703.20/x
  3. Step 3: Cross multiply
    19,314,167.20x = 28,971,250.80 × 12,595,703.20
  4. Step 4: Simplify right side
    19,314,167.20x = 364,913,276,409,562.56
  5. Step 5: Solve for x
    x = 364,913,276,409,562.56/19,314,167.20
  6. Step 6: Final answer
    x = 18,893,554.80

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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.