Home / 19,675,856.80-29,513,785.20-10,109,918.80

Finding the Fourth Proportional to 19,675,856.80, 29,513,785.20 and 10,109,918.80

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Solution

The fourth proportional to 19,675,856.80, 29,513,785.20 and 10,109,918.80 is: 15,164,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675,856.80 : 29,513,785.20 = 10,109,918.80 : x
  2. Step 2: Convert to fraction form
    19,675,856.80/29,513,785.20 = 10,109,918.80/x
  3. Step 3: Cross multiply
    19,675,856.80x = 29,513,785.20 × 10,109,918.80
  4. Step 4: Simplify right side
    19,675,856.80x = 298,381,971,852,641.75
  5. Step 5: Solve for x
    x = 298,381,971,852,641.75/19,675,856.80
  6. Step 6: Final answer
    x = 15,164,878.20

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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.