Home / 7,340,999.80-11,011,499.70-5,427,812.20

Finding the Fourth Proportional to 7,340,999.80, 11,011,499.70 and 5,427,812.20

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Solution

The fourth proportional to 7,340,999.80, 11,011,499.70 and 5,427,812.20 is: 8,141,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,999.80 : 11,011,499.70 = 5,427,812.20 : x
  2. Step 2: Convert to fraction form
    7,340,999.80/11,011,499.70 = 5,427,812.20/x
  3. Step 3: Cross multiply
    7,340,999.80x = 11,011,499.70 × 5,427,812.20
  4. Step 4: Simplify right side
    7,340,999.80x = 59,768,352,411,956.34
  5. Step 5: Solve for x
    x = 59,768,352,411,956.34/7,340,999.80
  6. Step 6: Final answer
    x = 8,141,718.30

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1.5x scale

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.