Home / 7,432,881.80-11,153,009.10-4,240,459.40

Finding the Fourth Proportional to 7,432,881.80, 11,153,009.10 and 4,240,459.40

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Solution

The fourth proportional to 7,432,881.80, 11,153,009.10 and 4,240,459.40 is: 6,362,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432,881.80 : 11,153,009.10 = 4,240,459.40 : x
  2. Step 2: Convert to fraction form
    7,432,881.80/11,153,009.10 = 4,240,459.40/x
  3. Step 3: Cross multiply
    7,432,881.80x = 11,153,009.10 × 4,240,459.40
  4. Step 4: Simplify right side
    7,432,881.80x = 47,293,882,276,380.54
  5. Step 5: Solve for x
    x = 47,293,882,276,380.54/7,432,881.80
  6. Step 6: Final answer
    x = 6,362,792.19

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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.