Home / 13,303,354.70-19,960,280.85-5,214,953.90

Finding the Fourth Proportional to 13,303,354.70, 19,960,280.85 and 5,214,953.90

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Solution

The fourth proportional to 13,303,354.70, 19,960,280.85 and 5,214,953.90 is: 7,824,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,354.70 : 19,960,280.85 = 5,214,953.90 : x
  2. Step 2: Convert to fraction form
    13,303,354.70/19,960,280.85 = 5,214,953.90/x
  3. Step 3: Cross multiply
    13,303,354.70x = 19,960,280.85 × 5,214,953.90
  4. Step 4: Simplify right side
    13,303,354.70x = 104,091,944,463,802.83
  5. Step 5: Solve for x
    x = 104,091,944,463,802.83/13,303,354.70
  6. Step 6: Final answer
    x = 7,824,488.39

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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.