Home / 12,293,721.60-18,440,582.40-5,916,429.60

Finding the Fourth Proportional to 12,293,721.60, 18,440,582.40 and 5,916,429.60

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Solution

The fourth proportional to 12,293,721.60, 18,440,582.40 and 5,916,429.60 is: 8,874,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,721.60 : 18,440,582.40 = 5,916,429.60 : x
  2. Step 2: Convert to fraction form
    12,293,721.60/18,440,582.40 = 5,916,429.60/x
  3. Step 3: Cross multiply
    12,293,721.60x = 18,440,582.40 × 5,916,429.60
  4. Step 4: Simplify right side
    12,293,721.60x = 109,102,407,552,599.03
  5. Step 5: Solve for x
    x = 109,102,407,552,599.03/12,293,721.60
  6. Step 6: Final answer
    x = 8,874,644.40

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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.