Home / 18,962,117.70-28,443,176.55-8,200,437.45

Finding the Fourth Proportional to 18,962,117.70, 28,443,176.55 and 8,200,437.45

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Solution

The fourth proportional to 18,962,117.70, 28,443,176.55 and 8,200,437.45 is: 12,300,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962,117.70 : 28,443,176.55 = 8,200,437.45 : x
  2. Step 2: Convert to fraction form
    18,962,117.70/28,443,176.55 = 8,200,437.45/x
  3. Step 3: Cross multiply
    18,962,117.70x = 28,443,176.55 × 8,200,437.45
  4. Step 4: Simplify right side
    18,962,117.70x = 233,246,490,177,581.81
  5. Step 5: Solve for x
    x = 233,246,490,177,581.81/18,962,117.70
  6. Step 6: Final answer
    x = 12,300,656.18

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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.