Home / 19,432,847.40-29,149,271.10-15,653,711.40

Finding the Fourth Proportional to 19,432,847.40, 29,149,271.10 and 15,653,711.40

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Solution

The fourth proportional to 19,432,847.40, 29,149,271.10 and 15,653,711.40 is: 23,480,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432,847.40 : 29,149,271.10 = 15,653,711.40 : x
  2. Step 2: Convert to fraction form
    19,432,847.40/29,149,271.10 = 15,653,711.40/x
  3. Step 3: Cross multiply
    19,432,847.40x = 29,149,271.10 × 15,653,711.40
  4. Step 4: Simplify right side
    19,432,847.40x = 456,294,277,319,760.56
  5. Step 5: Solve for x
    x = 456,294,277,319,760.56/19,432,847.40
  6. Step 6: Final answer
    x = 23,480,567.10

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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.