Home / 13,307,571.80-18,364,559.16-7,347,170.60

Finding the Fourth Proportional to 13,307,571.80, 18,364,559.16 and 7,347,170.60

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Solution

The fourth proportional to 13,307,571.80, 18,364,559.16 and 7,347,170.60 is: 10,139,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,571.80 : 18,364,559.16 = 7,347,170.60 : x
  2. Step 2: Convert to fraction form
    13,307,571.80/18,364,559.16 = 7,347,170.60/x
  3. Step 3: Cross multiply
    13,307,571.80x = 18,364,559.16 × 7,347,170.60
  4. Step 4: Simplify right side
    13,307,571.80x = 134,927,549,142,312.69
  5. Step 5: Solve for x
    x = 134,927,549,142,312.69/13,307,571.80
  6. Step 6: Final answer
    x = 10,139,156.20

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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.