Home / 11,178,043.20-16,767,064.80-7,564,244.40

Finding the Fourth Proportional to 11,178,043.20, 16,767,064.80 and 7,564,244.40

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Solution

The fourth proportional to 11,178,043.20, 16,767,064.80 and 7,564,244.40 is: 11,346,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,043.20 : 16,767,064.80 = 7,564,244.40 : x
  2. Step 2: Convert to fraction form
    11,178,043.20/16,767,064.80 = 7,564,244.40/x
  3. Step 3: Cross multiply
    11,178,043.20x = 16,767,064.80 × 7,564,244.40
  4. Step 4: Simplify right side
    11,178,043.20x = 126,830,176,017,837.12
  5. Step 5: Solve for x
    x = 126,830,176,017,837.12/11,178,043.20
  6. Step 6: Final answer
    x = 11,346,366.60

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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.