Home / 5,136,970.66-7,089,071.61-3,099,386.50

Finding the Fourth Proportional to 5,136,970.66, 7,089,071.61 and 3,099,386.50

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Solution

The fourth proportional to 5,136,970.66, 7,089,071.61 and 3,099,386.50 is: 4,277,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136,970.66 : 7,089,071.61 = 3,099,386.50 : x
  2. Step 2: Convert to fraction form
    5,136,970.66/7,089,071.61 = 3,099,386.50/x
  3. Step 3: Cross multiply
    5,136,970.66x = 7,089,071.61 × 3,099,386.50
  4. Step 4: Simplify right side
    5,136,970.66x = 21,971,772,845,567.27
  5. Step 5: Solve for x
    x = 21,971,772,845,567.27/5,136,970.66
  6. Step 6: Final answer
    x = 4,277,184.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.