Home / 7,345,872.80-11,018,809.20-5,554,282.40

Finding the Fourth Proportional to 7,345,872.80, 11,018,809.20 and 5,554,282.40

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Solution

The fourth proportional to 7,345,872.80, 11,018,809.20 and 5,554,282.40 is: 8,331,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345,872.80 : 11,018,809.20 = 5,554,282.40 : x
  2. Step 2: Convert to fraction form
    7,345,872.80/11,018,809.20 = 5,554,282.40/x
  3. Step 3: Cross multiply
    7,345,872.80x = 11,018,809.20 × 5,554,282.40
  4. Step 4: Simplify right side
    7,345,872.80x = 61,201,578,008,518.08
  5. Step 5: Solve for x
    x = 61,201,578,008,518.08/7,345,872.80
  6. Step 6: Final answer
    x = 8,331,423.60

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Similar ratio
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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.