Home / 13,973,242.92-19,282,939.14-7,778,191.40

Finding the Fourth Proportional to 13,973,242.92, 19,282,939.14 and 7,778,191.40

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Solution

The fourth proportional to 13,973,242.92, 19,282,939.14 and 7,778,191.40 is: 10,733,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973,242.92 : 19,282,939.14 = 7,778,191.40 : x
  2. Step 2: Convert to fraction form
    13,973,242.92/19,282,939.14 = 7,778,191.40/x
  3. Step 3: Cross multiply
    13,973,242.92x = 19,282,939.14 × 7,778,191.40
  4. Step 4: Simplify right side
    13,973,242.92x = 149,986,391,385,471.41
  5. Step 5: Solve for x
    x = 149,986,391,385,471.41/13,973,242.92
  6. Step 6: Final answer
    x = 10,733,828.38

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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.