Home / 18,865,000.81-28,303,482.63-6,734,203.87

Finding the Fourth Proportional to 18,865,000.81, 28,303,482.63 and 6,734,203.87

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Solution

The fourth proportional to 18,865,000.81, 28,303,482.63 and 6,734,203.87 is: 10,103,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865,000.81 : 28,303,482.63 = 6,734,203.87 : x
  2. Step 2: Convert to fraction form
    18,865,000.81/28,303,482.63 = 6,734,203.87/x
  3. Step 3: Cross multiply
    18,865,000.81x = 28,303,482.63 × 6,734,203.87
  4. Step 4: Simplify right side
    18,865,000.81x = 190,601,422,261,423.78
  5. Step 5: Solve for x
    x = 190,601,422,261,423.78/18,865,000.81
  6. Step 6: Final answer
    x = 10,103,440.98

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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.