Home / 7,461,206.40-11,191,809.60-6,873,340.80

Finding the Fourth Proportional to 7,461,206.40, 11,191,809.60 and 6,873,340.80

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Solution

The fourth proportional to 7,461,206.40, 11,191,809.60 and 6,873,340.80 is: 10,310,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461,206.40 : 11,191,809.60 = 6,873,340.80 : x
  2. Step 2: Convert to fraction form
    7,461,206.40/11,191,809.60 = 6,873,340.80/x
  3. Step 3: Cross multiply
    7,461,206.40x = 11,191,809.60 × 6,873,340.80
  4. Step 4: Simplify right side
    7,461,206.40x = 76,925,121,549,511.67
  5. Step 5: Solve for x
    x = 76,925,121,549,511.67/7,461,206.40
  6. Step 6: Final answer
    x = 10,310,011.20

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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.