Home / 13,144,746.80-19,717,120.20-10,905,258.80

Finding the Fourth Proportional to 13,144,746.80, 19,717,120.20 and 10,905,258.80

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Solution

The fourth proportional to 13,144,746.80, 19,717,120.20 and 10,905,258.80 is: 16,357,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144,746.80 : 19,717,120.20 = 10,905,258.80 : x
  2. Step 2: Convert to fraction form
    13,144,746.80/19,717,120.20 = 10,905,258.80/x
  3. Step 3: Cross multiply
    13,144,746.80x = 19,717,120.20 × 10,905,258.80
  4. Step 4: Simplify right side
    13,144,746.80x = 215,020,298,571,707.78
  5. Step 5: Solve for x
    x = 215,020,298,571,707.78/13,144,746.80
  6. Step 6: Final answer
    x = 16,357,888.20

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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.