Home / 13,872,880.40-20,801,026.20-7,154,416.40

Finding the Fourth Proportional to 13,872,880.40, 20,801,026.20 and 7,154,416.40

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Solution

The fourth proportional to 13,872,880.40, 20,801,026.20 and 7,154,416.40 is: 10,727,347.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,880.40 : 20,801,026.20 = 7,154,416.40 : x
  2. Step 2: Convert to fraction form
    13,872,880.40/20,801,026.20 = 7,154,416.40/x
  3. Step 3: Cross multiply
    13,872,880.40x = 20,801,026.20 × 7,154,416.40
  4. Step 4: Simplify right side
    13,872,880.40x = 148,819,202,982,109.69
  5. Step 5: Solve for x
    x = 148,819,202,982,109.69/13,872,880.40
  6. Step 6: Final answer
    x = 10,727,347.08

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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.