Home / 11,012,000.80-16,518,001.20-10,303,412.80

Finding the Fourth Proportional to 11,012,000.80, 16,518,001.20 and 10,303,412.80

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Solution

The fourth proportional to 11,012,000.80, 16,518,001.20 and 10,303,412.80 is: 15,455,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012,000.80 : 16,518,001.20 = 10,303,412.80 : x
  2. Step 2: Convert to fraction form
    11,012,000.80/16,518,001.20 = 10,303,412.80/x
  3. Step 3: Cross multiply
    11,012,000.80x = 16,518,001.20 × 10,303,412.80
  4. Step 4: Simplify right side
    11,012,000.80x = 170,191,784,994,495.38
  5. Step 5: Solve for x
    x = 170,191,784,994,495.38/11,012,000.80
  6. Step 6: Final answer
    x = 15,455,119.20

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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.