Home / 13,431,200-18,533,186.52-7,550,002.80

Finding the Fourth Proportional to 13,431,200, 18,533,186.52 and 7,550,002.80

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Solution

The fourth proportional to 13,431,200, 18,533,186.52 and 7,550,002.80 is: 10,417,952.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,200 : 18,533,186.52 = 7,550,002.80 : x
  2. Step 2: Convert to fraction form
    13,431,200/18,533,186.52 = 7,550,002.80/x
  3. Step 3: Cross multiply
    13,431,200x = 18,533,186.52 × 7,550,002.80
  4. Step 4: Simplify right side
    13,431,200x = 139,925,610,118,922.25
  5. Step 5: Solve for x
    x = 139,925,610,118,922.25/13,431,200
  6. Step 6: Final answer
    x = 10,417,952.98

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1.5x scale

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.