Home / 22,112,358.48-30,513,714.30-12,188,807.28

Finding the Fourth Proportional to 22,112,358.48, 30,513,714.30 and 12,188,807.28

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Solution

The fourth proportional to 22,112,358.48, 30,513,714.30 and 12,188,807.28 is: 16,819,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112,358.48 : 30,513,714.30 = 12,188,807.28 : x
  2. Step 2: Convert to fraction form
    22,112,358.48/30,513,714.30 = 12,188,807.28/x
  3. Step 3: Cross multiply
    22,112,358.48x = 30,513,714.30 × 12,188,807.28
  4. Step 4: Simplify right side
    22,112,358.48x = 371,925,782,999,680.06
  5. Step 5: Solve for x
    x = 371,925,782,999,680.06/22,112,358.48
  6. Step 6: Final answer
    x = 16,819,815.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.