Home / 8,779,247.40-13,196,864.70-8,275,362.60

Finding the Fourth Proportional to 8,779,247.40, 13,196,864.70 and 8,275,362.60

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Solution

The fourth proportional to 8,779,247.40, 13,196,864.70 and 8,275,362.60 is: 12,439,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,247.40 : 13,196,864.70 = 8,275,362.60 : x
  2. Step 2: Convert to fraction form
    8,779,247.40/13,196,864.70 = 8,275,362.60/x
  3. Step 3: Cross multiply
    8,779,247.40x = 13,196,864.70 × 8,275,362.60
  4. Step 4: Simplify right side
    8,779,247.40x = 109,208,840,575,640.20
  5. Step 5: Solve for x
    x = 109,208,840,575,640.20/8,779,247.40
  6. Step 6: Final answer
    x = 12,439,430.81

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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.