Home / 13,824,005.60-20,736,008.40-12,928,210.40

Finding the Fourth Proportional to 13,824,005.60, 20,736,008.40 and 12,928,210.40

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Solution

The fourth proportional to 13,824,005.60, 20,736,008.40 and 12,928,210.40 is: 19,392,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,005.60 : 20,736,008.40 = 12,928,210.40 : x
  2. Step 2: Convert to fraction form
    13,824,005.60/20,736,008.40 = 12,928,210.40/x
  3. Step 3: Cross multiply
    13,824,005.60x = 20,736,008.40 × 12,928,210.40
  4. Step 4: Simplify right side
    13,824,005.60x = 268,079,479,451,367.34
  5. Step 5: Solve for x
    x = 268,079,479,451,367.34/13,824,005.60
  6. Step 6: Final answer
    x = 19,392,315.60

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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.