Home / 14,528,031.90-21,792,047.85-12,288,543.90

Finding the Fourth Proportional to 14,528,031.90, 21,792,047.85 and 12,288,543.90

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Solution

The fourth proportional to 14,528,031.90, 21,792,047.85 and 12,288,543.90 is: 18,432,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528,031.90 : 21,792,047.85 = 12,288,543.90 : x
  2. Step 2: Convert to fraction form
    14,528,031.90/21,792,047.85 = 12,288,543.90/x
  3. Step 3: Cross multiply
    14,528,031.90x = 21,792,047.85 × 12,288,543.90
  4. Step 4: Simplify right side
    14,528,031.90x = 267,792,536,675,625.66
  5. Step 5: Solve for x
    x = 267,792,536,675,625.66/14,528,031.90
  6. Step 6: Final answer
    x = 18,432,815.85

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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.