Home / 16,845,312.80-25,267,969.20-12,864,000.80

Finding the Fourth Proportional to 16,845,312.80, 25,267,969.20 and 12,864,000.80

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Solution

The fourth proportional to 16,845,312.80, 25,267,969.20 and 12,864,000.80 is: 19,296,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845,312.80 : 25,267,969.20 = 12,864,000.80 : x
  2. Step 2: Convert to fraction form
    16,845,312.80/25,267,969.20 = 12,864,000.80/x
  3. Step 3: Cross multiply
    16,845,312.80x = 25,267,969.20 × 12,864,000.80
  4. Step 4: Simplify right side
    16,845,312.80x = 325,047,176,003,175.38
  5. Step 5: Solve for x
    x = 325,047,176,003,175.38/16,845,312.80
  6. Step 6: Final answer
    x = 19,296,001.20

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1.5x scale

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.