Home / 9,421,809.70-14,132,714.55-7,880,630.80

Finding the Fourth Proportional to 9,421,809.70, 14,132,714.55 and 7,880,630.80

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Solution

The fourth proportional to 9,421,809.70, 14,132,714.55 and 7,880,630.80 is: 11,820,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421,809.70 : 14,132,714.55 = 7,880,630.80 : x
  2. Step 2: Convert to fraction form
    9,421,809.70/14,132,714.55 = 7,880,630.80/x
  3. Step 3: Cross multiply
    9,421,809.70x = 14,132,714.55 × 7,880,630.80
  4. Step 4: Simplify right side
    9,421,809.70x = 111,374,705,570,338.14
  5. Step 5: Solve for x
    x = 111,374,705,570,338.14/9,421,809.70
  6. Step 6: Final answer
    x = 11,820,946.20

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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.