Home / 21,968,695.20-32,886,687.60-19,314,487.20

Finding the Fourth Proportional to 21,968,695.20, 32,886,687.60 and 19,314,487.20

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Solution

The fourth proportional to 21,968,695.20, 32,886,687.60 and 19,314,487.20 is: 28,913,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968,695.20 : 32,886,687.60 = 19,314,487.20 : x
  2. Step 2: Convert to fraction form
    21,968,695.20/32,886,687.60 = 19,314,487.20/x
  3. Step 3: Cross multiply
    21,968,695.20x = 32,886,687.60 × 19,314,487.20
  4. Step 4: Simplify right side
    21,968,695.20x = 635,189,506,700,598.75
  5. Step 5: Solve for x
    x = 635,189,506,700,598.75/21,968,695.20
  6. Step 6: Final answer
    x = 28,913,392.48

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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.