Home / 8,728,457.34-12,044,364.98-5,375,090.58

Finding the Fourth Proportional to 8,728,457.34, 12,044,364.98 and 5,375,090.58

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Solution

The fourth proportional to 8,728,457.34, 12,044,364.98 and 5,375,090.58 is: 7,417,066.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728,457.34 : 12,044,364.98 = 5,375,090.58 : x
  2. Step 2: Convert to fraction form
    8,728,457.34/12,044,364.98 = 5,375,090.58/x
  3. Step 3: Cross multiply
    8,728,457.34x = 12,044,364.98 × 5,375,090.58
  4. Step 4: Simplify right side
    8,728,457.34x = 64,739,552,719,204.44
  5. Step 5: Solve for x
    x = 64,739,552,719,204.44/8,728,457.34
  6. Step 6: Final answer
    x = 7,417,066.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.