Home / 11,213,854.80-16,820,782.20-7,387,479.60

Finding the Fourth Proportional to 11,213,854.80, 16,820,782.20 and 7,387,479.60

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Solution

The fourth proportional to 11,213,854.80, 16,820,782.20 and 7,387,479.60 is: 11,081,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213,854.80 : 16,820,782.20 = 7,387,479.60 : x
  2. Step 2: Convert to fraction form
    11,213,854.80/16,820,782.20 = 7,387,479.60/x
  3. Step 3: Cross multiply
    11,213,854.80x = 16,820,782.20 × 7,387,479.60
  4. Step 4: Simplify right side
    11,213,854.80x = 124,263,185,358,543.11
  5. Step 5: Solve for x
    x = 124,263,185,358,543.11/11,213,854.80
  6. Step 6: Final answer
    x = 11,081,219.40

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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.