Home / 16,285,421.40-24,428,132.10-8,306,208.60

Finding the Fourth Proportional to 16,285,421.40, 24,428,132.10 and 8,306,208.60

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Solution

The fourth proportional to 16,285,421.40, 24,428,132.10 and 8,306,208.60 is: 12,459,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,285,421.40 : 24,428,132.10 = 8,306,208.60 : x
  2. Step 2: Convert to fraction form
    16,285,421.40/24,428,132.10 = 8,306,208.60/x
  3. Step 3: Cross multiply
    16,285,421.40x = 24,428,132.10 × 8,306,208.60
  4. Step 4: Simplify right side
    16,285,421.40x = 202,905,160,930,956.06
  5. Step 5: Solve for x
    x = 202,905,160,930,956.06/16,285,421.40
  6. Step 6: Final answer
    x = 12,459,312.90

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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.