Home / 13,205,411.70-19,808,117.55-12,727,114.80

Finding the Fourth Proportional to 13,205,411.70, 19,808,117.55 and 12,727,114.80

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Solution

The fourth proportional to 13,205,411.70, 19,808,117.55 and 12,727,114.80 is: 19,090,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205,411.70 : 19,808,117.55 = 12,727,114.80 : x
  2. Step 2: Convert to fraction form
    13,205,411.70/19,808,117.55 = 12,727,114.80/x
  3. Step 3: Cross multiply
    13,205,411.70x = 19,808,117.55 × 12,727,114.80
  4. Step 4: Simplify right side
    13,205,411.70x = 252,100,186,030,744.75
  5. Step 5: Solve for x
    x = 252,100,186,030,744.75/13,205,411.70
  6. Step 6: Final answer
    x = 19,090,672.20

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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.