Home / 7,490,059.32-10,343,420.49-7,082,006.43

Finding the Fourth Proportional to 7,490,059.32, 10,343,420.49 and 7,082,006.43

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Solution

The fourth proportional to 7,490,059.32, 10,343,420.49 and 7,082,006.43 is: 9,779,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,059.32 : 10,343,420.49 = 7,082,006.43 : x
  2. Step 2: Convert to fraction form
    7,490,059.32/10,343,420.49 = 7,082,006.43/x
  3. Step 3: Cross multiply
    7,490,059.32x = 10,343,420.49 × 7,082,006.43
  4. Step 4: Simplify right side
    7,490,059.32x = 73,252,170,418,373.75
  5. Step 5: Solve for x
    x = 73,252,170,418,373.75/7,490,059.32
  6. Step 6: Final answer
    x = 9,779,918.59

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1.5x scale

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.