Home / 7,346,747.40-11,020,121.10-5,315,461.80

Finding the Fourth Proportional to 7,346,747.40, 11,020,121.10 and 5,315,461.80

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Solution

The fourth proportional to 7,346,747.40, 11,020,121.10 and 5,315,461.80 is: 7,973,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346,747.40 : 11,020,121.10 = 5,315,461.80 : x
  2. Step 2: Convert to fraction form
    7,346,747.40/11,020,121.10 = 5,315,461.80/x
  3. Step 3: Cross multiply
    7,346,747.40x = 11,020,121.10 × 5,315,461.80
  4. Step 4: Simplify right side
    7,346,747.40x = 58,577,032,738,423.98
  5. Step 5: Solve for x
    x = 58,577,032,738,423.98/7,346,747.40
  6. Step 6: Final answer
    x = 7,973,192.70

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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.