Home / 25,757,644.80-38,636,467.20-16,687,718.40

Finding the Fourth Proportional to 25,757,644.80, 38,636,467.20 and 16,687,718.40

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Solution

The fourth proportional to 25,757,644.80, 38,636,467.20 and 16,687,718.40 is: 25,031,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,757,644.80 : 38,636,467.20 = 16,687,718.40 : x
  2. Step 2: Convert to fraction form
    25,757,644.80/38,636,467.20 = 16,687,718.40/x
  3. Step 3: Cross multiply
    25,757,644.80x = 38,636,467.20 × 16,687,718.40
  4. Step 4: Simplify right side
    25,757,644.80x = 644,754,484,604,436.50
  5. Step 5: Solve for x
    x = 644,754,484,604,436.50/25,757,644.80
  6. Step 6: Final answer
    x = 25,031,577.60

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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.