Home / 14,133,621.60-21,200,432.40-12,698,730.90

Finding the Fourth Proportional to 14,133,621.60, 21,200,432.40 and 12,698,730.90

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Solution

The fourth proportional to 14,133,621.60, 21,200,432.40 and 12,698,730.90 is: 19,048,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133,621.60 : 21,200,432.40 = 12,698,730.90 : x
  2. Step 2: Convert to fraction form
    14,133,621.60/21,200,432.40 = 12,698,730.90/x
  3. Step 3: Cross multiply
    14,133,621.60x = 21,200,432.40 × 12,698,730.90
  4. Step 4: Simplify right side
    14,133,621.60x = 269,218,586,011,241.16
  5. Step 5: Solve for x
    x = 269,218,586,011,241.16/14,133,621.60
  6. Step 6: Final answer
    x = 19,048,096.35

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1.5x scale

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.