Home / 13,093,543.40-18,068,386.56-7,212,984.80

Finding the Fourth Proportional to 13,093,543.40, 18,068,386.56 and 7,212,984.80

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Solution

The fourth proportional to 13,093,543.40, 18,068,386.56 and 7,212,984.80 is: 9,953,531.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093,543.40 : 18,068,386.56 = 7,212,984.80 : x
  2. Step 2: Convert to fraction form
    13,093,543.40/18,068,386.56 = 7,212,984.80/x
  3. Step 3: Cross multiply
    13,093,543.40x = 18,068,386.56 × 7,212,984.80
  4. Step 4: Simplify right side
    13,093,543.40x = 130,326,997,617,804.28
  5. Step 5: Solve for x
    x = 130,326,997,617,804.28/13,093,543.40
  6. Step 6: Final answer
    x = 9,953,531.57

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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.