Home / 14,369,248.80-21,553,873.20-12,810,355.20

Finding the Fourth Proportional to 14,369,248.80, 21,553,873.20 and 12,810,355.20

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Solution

The fourth proportional to 14,369,248.80, 21,553,873.20 and 12,810,355.20 is: 19,215,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,369,248.80 : 21,553,873.20 = 12,810,355.20 : x
  2. Step 2: Convert to fraction form
    14,369,248.80/21,553,873.20 = 12,810,355.20/x
  3. Step 3: Cross multiply
    14,369,248.80x = 21,553,873.20 × 12,810,355.20
  4. Step 4: Simplify right side
    14,369,248.80x = 276,112,771,627,760.62
  5. Step 5: Solve for x
    x = 276,112,771,627,760.62/14,369,248.80
  6. Step 6: Final answer
    x = 19,215,532.80

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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.