Home / 18,430,918-25,434,677.68-10,282,156

Finding the Fourth Proportional to 18,430,918, 25,434,677.68 and 10,282,156

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Solution

The fourth proportional to 18,430,918, 25,434,677.68 and 10,282,156 is: 14,189,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,918 : 25,434,677.68 = 10,282,156 : x
  2. Step 2: Convert to fraction form
    18,430,918/25,434,677.68 = 10,282,156/x
  3. Step 3: Cross multiply
    18,430,918x = 25,434,677.68 × 10,282,156
  4. Step 4: Simplify right side
    18,430,918x = 261,523,323,715,478.06
  5. Step 5: Solve for x
    x = 261,523,323,715,478.06/18,430,918
  6. Step 6: Final answer
    x = 14,189,381.33

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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.