Home / 5,293,201.40-7,939,802.10-5,186,913.20

Finding the Fourth Proportional to 5,293,201.40, 7,939,802.10 and 5,186,913.20

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Solution

The fourth proportional to 5,293,201.40, 7,939,802.10 and 5,186,913.20 is: 7,780,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293,201.40 : 7,939,802.10 = 5,186,913.20 : x
  2. Step 2: Convert to fraction form
    5,293,201.40/7,939,802.10 = 5,186,913.20/x
  3. Step 3: Cross multiply
    5,293,201.40x = 7,939,802.10 × 5,186,913.20
  4. Step 4: Simplify right side
    5,293,201.40x = 41,183,064,317,877.72
  5. Step 5: Solve for x
    x = 41,183,064,317,877.72/5,293,201.40
  6. Step 6: Final answer
    x = 7,780,369.80

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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.