Home / 26,001,064.80-39,001,597.20-12,564,136.80

Finding the Fourth Proportional to 26,001,064.80, 39,001,597.20 and 12,564,136.80

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Solution

The fourth proportional to 26,001,064.80, 39,001,597.20 and 12,564,136.80 is: 18,846,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,001,064.80 : 39,001,597.20 = 12,564,136.80 : x
  2. Step 2: Convert to fraction form
    26,001,064.80/39,001,597.20 = 12,564,136.80/x
  3. Step 3: Cross multiply
    26,001,064.80x = 39,001,597.20 × 12,564,136.80
  4. Step 4: Simplify right side
    26,001,064.80x = 490,021,402,639,297
  5. Step 5: Solve for x
    x = 490,021,402,639,297/26,001,064.80
  6. Step 6: Final answer
    x = 18,846,205.20

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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.