Home / 20,185,638.10-30,285,455.55-8,834,233.30

Finding the Fourth Proportional to 20,185,638.10, 30,285,455.55 and 8,834,233.30

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Solution

The fourth proportional to 20,185,638.10, 30,285,455.55 and 8,834,233.30 is: 13,254,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,638.10 : 30,285,455.55 = 8,834,233.30 : x
  2. Step 2: Convert to fraction form
    20,185,638.10/30,285,455.55 = 8,834,233.30/x
  3. Step 3: Cross multiply
    20,185,638.10x = 30,285,455.55 × 8,834,233.30
  4. Step 4: Simplify right side
    20,185,638.10x = 267,548,779,925,479.84
  5. Step 5: Solve for x
    x = 267,548,779,925,479.84/20,185,638.10
  6. Step 6: Final answer
    x = 13,254,412.80

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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.