Home / 28,447,344.34-42,653,737.17-11,154,828.55

Finding the Fourth Proportional to 28,447,344.34, 42,653,737.17 and 11,154,828.55

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Solution

The fourth proportional to 28,447,344.34, 42,653,737.17 and 11,154,828.55 is: 16,725,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447,344.34 : 42,653,737.17 = 11,154,828.55 : x
  2. Step 2: Convert to fraction form
    28,447,344.34/42,653,737.17 = 11,154,828.55/x
  3. Step 3: Cross multiply
    28,447,344.34x = 42,653,737.17 × 11,154,828.55
  4. Step 4: Simplify right side
    28,447,344.34x = 475,795,125,041,477.88
  5. Step 5: Solve for x
    x = 475,795,125,041,477.88/28,447,344.34
  6. Step 6: Final answer
    x = 16,725,467.21

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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.