Home / 12,562,570.80-18,843,856.20-8,257,898.70

Finding the Fourth Proportional to 12,562,570.80, 18,843,856.20 and 8,257,898.70

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Solution

The fourth proportional to 12,562,570.80, 18,843,856.20 and 8,257,898.70 is: 12,386,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562,570.80 : 18,843,856.20 = 8,257,898.70 : x
  2. Step 2: Convert to fraction form
    12,562,570.80/18,843,856.20 = 8,257,898.70/x
  3. Step 3: Cross multiply
    12,562,570.80x = 18,843,856.20 × 8,257,898.70
  4. Step 4: Simplify right side
    12,562,570.80x = 155,610,655,616,966.94
  5. Step 5: Solve for x
    x = 155,610,655,616,966.94/12,562,570.80
  6. Step 6: Final answer
    x = 12,386,848.05

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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.