Home / 7,130,687.12-10,699,296.60-3,088,411.28

Finding the Fourth Proportional to 7,130,687.12, 10,699,296.60 and 3,088,411.28

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Solution

The fourth proportional to 7,130,687.12, 10,699,296.60 and 3,088,411.28 is: 4,634,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,687.12 : 10,699,296.60 = 3,088,411.28 : x
  2. Step 2: Convert to fraction form
    7,130,687.12/10,699,296.60 = 3,088,411.28/x
  3. Step 3: Cross multiply
    7,130,687.12x = 10,699,296.60 × 3,088,411.28
  4. Step 4: Simplify right side
    7,130,687.12x = 33,043,828,307,505.64
  5. Step 5: Solve for x
    x = 33,043,828,307,505.64/7,130,687.12
  6. Step 6: Final answer
    x = 4,634,031.44

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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.