Home / 10,537,808.20-15,783,092.70-8,648,240.20

Finding the Fourth Proportional to 10,537,808.20, 15,783,092.70 and 8,648,240.20

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Solution

The fourth proportional to 10,537,808.20, 15,783,092.70 and 8,648,240.20 is: 12,952,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,537,808.20 : 15,783,092.70 = 8,648,240.20 : x
  2. Step 2: Convert to fraction form
    10,537,808.20/15,783,092.70 = 8,648,240.20/x
  3. Step 3: Cross multiply
    10,537,808.20x = 15,783,092.70 × 8,648,240.20
  4. Step 4: Simplify right side
    10,537,808.20x = 136,495,976,768,466.52
  5. Step 5: Solve for x
    x = 136,495,976,768,466.52/10,537,808.20
  6. Step 6: Final answer
    x = 12,952,976.01

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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.