Home / 6,467,244.80-9,700,867.20-1,918,457.60

Finding the Fourth Proportional to 6,467,244.80, 9,700,867.20 and 1,918,457.60

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Solution

The fourth proportional to 6,467,244.80, 9,700,867.20 and 1,918,457.60 is: 2,877,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467,244.80 : 9,700,867.20 = 1,918,457.60 : x
  2. Step 2: Convert to fraction form
    6,467,244.80/9,700,867.20 = 1,918,457.60/x
  3. Step 3: Cross multiply
    6,467,244.80x = 9,700,867.20 × 1,918,457.60
  4. Step 4: Simplify right side
    6,467,244.80x = 18,610,702,406,430.72
  5. Step 5: Solve for x
    x = 18,610,702,406,430.72/6,467,244.80
  6. Step 6: Final answer
    x = 2,877,686.40

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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.