Home / 11,758,428.80-17,637,643.20-8,374,313.60

Finding the Fourth Proportional to 11,758,428.80, 17,637,643.20 and 8,374,313.60

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Solution

The fourth proportional to 11,758,428.80, 17,637,643.20 and 8,374,313.60 is: 12,561,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758,428.80 : 17,637,643.20 = 8,374,313.60 : x
  2. Step 2: Convert to fraction form
    11,758,428.80/17,637,643.20 = 8,374,313.60/x
  3. Step 3: Cross multiply
    11,758,428.80x = 17,637,643.20 × 8,374,313.60
  4. Step 4: Simplify right side
    11,758,428.80x = 147,703,155,321,707.50
  5. Step 5: Solve for x
    x = 147,703,155,321,707.50/11,758,428.80
  6. Step 6: Final answer
    x = 12,561,470.40

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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.