Home / 18,710,518.50-28,065,778.84-4,527,094.50

Finding the Fourth Proportional to 18,710,518.50, 28,065,778.84 and 4,527,094.50

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Solution

The fourth proportional to 18,710,518.50, 28,065,778.84 and 4,527,094.50 is: 6,790,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710,518.50 : 28,065,778.84 = 4,527,094.50 : x
  2. Step 2: Convert to fraction form
    18,710,518.50/28,065,778.84 = 4,527,094.50/x
  3. Step 3: Cross multiply
    18,710,518.50x = 28,065,778.84 × 4,527,094.50
  4. Step 4: Simplify right side
    18,710,518.50x = 127,056,433,024,780.38
  5. Step 5: Solve for x
    x = 127,056,433,024,780.38/18,710,518.50
  6. Step 6: Final answer
    x = 6,790,642.01

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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.