Home / 28,470,461.20-42,706,872.86-8,275,703.20

Finding the Fourth Proportional to 28,470,461.20, 42,706,872.86 and 8,275,703.20

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Solution

The fourth proportional to 28,470,461.20, 42,706,872.86 and 8,275,703.20 is: 12,413,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,470,461.20 : 42,706,872.86 = 8,275,703.20 : x
  2. Step 2: Convert to fraction form
    28,470,461.20/42,706,872.86 = 8,275,703.20/x
  3. Step 3: Cross multiply
    28,470,461.20x = 42,706,872.86 × 8,275,703.20
  4. Step 4: Simplify right side
    28,470,461.20x = 353,429,404,389,495.12
  5. Step 5: Solve for x
    x = 353,429,404,389,495.12/28,470,461.20
  6. Step 6: Final answer
    x = 12,413,898.11

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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.