Home / 12,071,068.20-18,109,809.90-5,244,712.20

Finding the Fourth Proportional to 12,071,068.20, 18,109,809.90 and 5,244,712.20

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Solution

The fourth proportional to 12,071,068.20, 18,109,809.90 and 5,244,712.20 is: 7,868,461.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071,068.20 : 18,109,809.90 = 5,244,712.20 : x
  2. Step 2: Convert to fraction form
    12,071,068.20/18,109,809.90 = 5,244,712.20/x
  3. Step 3: Cross multiply
    12,071,068.20x = 18,109,809.90 × 5,244,712.20
  4. Step 4: Simplify right side
    12,071,068.20x = 94,980,740,922,210.78
  5. Step 5: Solve for x
    x = 94,980,740,922,210.78/12,071,068.20
  6. Step 6: Final answer
    x = 7,868,461.96

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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.