Home / 13,349,923.39-20,124,943.75-12,460,084.17

Finding the Fourth Proportional to 13,349,923.39, 20,124,943.75 and 12,460,084.17

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Solution

The fourth proportional to 13,349,923.39, 20,124,943.75 and 12,460,084.17 is: 18,783,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,923.39 : 20,124,943.75 = 12,460,084.17 : x
  2. Step 2: Convert to fraction form
    13,349,923.39/20,124,943.75 = 12,460,084.17/x
  3. Step 3: Cross multiply
    13,349,923.39x = 20,124,943.75 × 12,460,084.17
  4. Step 4: Simplify right side
    13,349,923.39x = 250,758,492,911,534.03
  5. Step 5: Solve for x
    x = 250,758,492,911,534.03/13,349,923.39
  6. Step 6: Final answer
    x = 18,783,515.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.