Home / 19,280,546.45-28,920,694.82-4,903,490

Finding the Fourth Proportional to 19,280,546.45, 28,920,694.82 and 4,903,490

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Solution

The fourth proportional to 19,280,546.45, 28,920,694.82 and 4,903,490 is: 7,355,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280,546.45 : 28,920,694.82 = 4,903,490 : x
  2. Step 2: Convert to fraction form
    19,280,546.45/28,920,694.82 = 4,903,490/x
  3. Step 3: Cross multiply
    19,280,546.45x = 28,920,694.82 × 4,903,490
  4. Step 4: Simplify right side
    19,280,546.45x = 141,812,337,818,404.34
  5. Step 5: Solve for x
    x = 141,812,337,818,404.34/19,280,546.45
  6. Step 6: Final answer
    x = 7,355,203.25

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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.