Home / 12,201,545.10-16,831,136.43-7,609,894.86

Finding the Fourth Proportional to 12,201,545.10, 16,831,136.43 and 7,609,894.86

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Solution

The fourth proportional to 12,201,545.10, 16,831,136.43 and 7,609,894.86 is: 10,497,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,545.10 : 16,831,136.43 = 7,609,894.86 : x
  2. Step 2: Convert to fraction form
    12,201,545.10/16,831,136.43 = 7,609,894.86/x
  3. Step 3: Cross multiply
    12,201,545.10x = 16,831,136.43 × 7,609,894.86
  4. Step 4: Simplify right side
    12,201,545.10x = 128,083,178,606,615.75
  5. Step 5: Solve for x
    x = 128,083,178,606,615.75/12,201,545.10
  6. Step 6: Final answer
    x = 10,497,291.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.