Home / 7,328,638.80-10,113,582.24-4,065,667.20

Finding the Fourth Proportional to 7,328,638.80, 10,113,582.24 and 4,065,667.20

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Solution

The fourth proportional to 7,328,638.80, 10,113,582.24 and 4,065,667.20 is: 5,610,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,638.80 : 10,113,582.24 = 4,065,667.20 : x
  2. Step 2: Convert to fraction form
    7,328,638.80/10,113,582.24 = 4,065,667.20/x
  3. Step 3: Cross multiply
    7,328,638.80x = 10,113,582.24 × 4,065,667.20
  4. Step 4: Simplify right side
    7,328,638.80x = 41,118,459,587,670.53
  5. Step 5: Solve for x
    x = 41,118,459,587,670.53/7,328,638.80
  6. Step 6: Final answer
    x = 5,610,654.41

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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.