Home / 19,928,254.20-29,892,381.30-18,164,657.40

Finding the Fourth Proportional to 19,928,254.20, 29,892,381.30 and 18,164,657.40

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Solution

The fourth proportional to 19,928,254.20, 29,892,381.30 and 18,164,657.40 is: 27,246,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,254.20 : 29,892,381.30 = 18,164,657.40 : x
  2. Step 2: Convert to fraction form
    19,928,254.20/29,892,381.30 = 18,164,657.40/x
  3. Step 3: Cross multiply
    19,928,254.20x = 29,892,381.30 × 18,164,657.40
  4. Step 4: Simplify right side
    19,928,254.20x = 542,984,865,184,666.56
  5. Step 5: Solve for x
    x = 542,984,865,184,666.56/19,928,254.20
  6. Step 6: Final answer
    x = 27,246,986.10

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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.