Home / 19,379,901.60-29,069,852.40-15,600,765.60

Finding the Fourth Proportional to 19,379,901.60, 29,069,852.40 and 15,600,765.60

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Solution

The fourth proportional to 19,379,901.60, 29,069,852.40 and 15,600,765.60 is: 23,401,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379,901.60 : 29,069,852.40 = 15,600,765.60 : x
  2. Step 2: Convert to fraction form
    19,379,901.60/29,069,852.40 = 15,600,765.60/x
  3. Step 3: Cross multiply
    19,379,901.60x = 29,069,852.40 × 15,600,765.60
  4. Step 4: Simplify right side
    19,379,901.60x = 453,511,953,318,997.38
  5. Step 5: Solve for x
    x = 453,511,953,318,997.38/19,379,901.60
  6. Step 6: Final answer
    x = 23,401,148.40

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1.5x scale

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.