Home / 7,406,440.40-11,088,009.30-5,280,676.40

Finding the Fourth Proportional to 7,406,440.40, 11,088,009.30 and 5,280,676.40

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Solution

The fourth proportional to 7,406,440.40, 11,088,009.30 and 5,280,676.40 is: 7,905,577.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406,440.40 : 11,088,009.30 = 5,280,676.40 : x
  2. Step 2: Convert to fraction form
    7,406,440.40/11,088,009.30 = 5,280,676.40/x
  3. Step 3: Cross multiply
    7,406,440.40x = 11,088,009.30 × 5,280,676.40
  4. Step 4: Simplify right side
    7,406,440.40x = 58,552,189,033,490.53
  5. Step 5: Solve for x
    x = 58,552,189,033,490.53/7,406,440.40
  6. Step 6: Final answer
    x = 7,905,577.56

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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.