Home / 8,528,021.80-12,790,631.52-3,061,985.08

Finding the Fourth Proportional to 8,528,021.80, 12,790,631.52 and 3,061,985.08

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Solution

The fourth proportional to 8,528,021.80, 12,790,631.52 and 3,061,985.08 is: 4,592,474.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528,021.80 : 12,790,631.52 = 3,061,985.08 : x
  2. Step 2: Convert to fraction form
    8,528,021.80/12,790,631.52 = 3,061,985.08/x
  3. Step 3: Cross multiply
    8,528,021.80x = 12,790,631.52 × 3,061,985.08
  4. Step 4: Simplify right side
    8,528,021.80x = 39,164,722,878,017.72
  5. Step 5: Solve for x
    x = 39,164,722,878,017.72/8,528,021.80
  6. Step 6: Final answer
    x = 4,592,474.53

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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.