Home / 10,780,027.40-16,170,041.10-5,111,323.40

Finding the Fourth Proportional to 10,780,027.40, 16,170,041.10 and 5,111,323.40

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Solution

The fourth proportional to 10,780,027.40, 16,170,041.10 and 5,111,323.40 is: 7,666,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,027.40 : 16,170,041.10 = 5,111,323.40 : x
  2. Step 2: Convert to fraction form
    10,780,027.40/16,170,041.10 = 5,111,323.40/x
  3. Step 3: Cross multiply
    10,780,027.40x = 16,170,041.10 × 5,111,323.40
  4. Step 4: Simplify right side
    10,780,027.40x = 82,650,309,453,391.75
  5. Step 5: Solve for x
    x = 82,650,309,453,391.75/10,780,027.40
  6. Step 6: Final answer
    x = 7,666,985.10

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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.