Home / 10,851,768.20-16,249,658.70-8,612,280.20

Finding the Fourth Proportional to 10,851,768.20, 16,249,658.70 and 8,612,280.20

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Solution

The fourth proportional to 10,851,768.20, 16,249,658.70 and 8,612,280.20 is: 12,896,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851,768.20 : 16,249,658.70 = 8,612,280.20 : x
  2. Step 2: Convert to fraction form
    10,851,768.20/16,249,658.70 = 8,612,280.20/x
  3. Step 3: Cross multiply
    10,851,768.20x = 16,249,658.70 × 8,612,280.20
  4. Step 4: Simplify right side
    10,851,768.20x = 139,946,613,878,767.72
  5. Step 5: Solve for x
    x = 139,946,613,878,767.72/10,851,768.20
  6. Step 6: Final answer
    x = 12,896,203.76

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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.