Home / 8,142,908.40-12,223,693.80-4,779,010.80

Finding the Fourth Proportional to 8,142,908.40, 12,223,693.80 and 4,779,010.80

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Solution

The fourth proportional to 8,142,908.40, 12,223,693.80 and 4,779,010.80 is: 7,173,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,908.40 : 12,223,693.80 = 4,779,010.80 : x
  2. Step 2: Convert to fraction form
    8,142,908.40/12,223,693.80 = 4,779,010.80/x
  3. Step 3: Cross multiply
    8,142,908.40x = 12,223,693.80 × 4,779,010.80
  4. Step 4: Simplify right side
    8,142,908.40x = 58,417,164,686,093.04
  5. Step 5: Solve for x
    x = 58,417,164,686,093.04/8,142,908.40
  6. Step 6: Final answer
    x = 7,173,992.61

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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.