Home / 19,708,725.28-27,000,501.81-18,971,868.94

Finding the Fourth Proportional to 19,708,725.28, 27,000,501.81 and 18,971,868.94

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Solution

The fourth proportional to 19,708,725.28, 27,000,501.81 and 18,971,868.94 is: 25,991,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708,725.28 : 27,000,501.81 = 18,971,868.94 : x
  2. Step 2: Convert to fraction form
    19,708,725.28/27,000,501.81 = 18,971,868.94/x
  3. Step 3: Cross multiply
    19,708,725.28x = 27,000,501.81 × 18,971,868.94
  4. Step 4: Simplify right side
    19,708,725.28x = 512,249,981,653,552.81
  5. Step 5: Solve for x
    x = 512,249,981,653,552.81/19,708,725.28
  6. Step 6: Final answer
    x = 25,991,025.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.