Home / 8,380,323.52-12,579,281.13-7,426,879.00

Finding the Fourth Proportional to 8,380,323.52, 12,579,281.13 and 7,426,879.00

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Solution

The fourth proportional to 8,380,323.52, 12,579,281.13 and 7,426,879.00 is: 11,148,113.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,323.52 : 12,579,281.13 = 7,426,879.00 : x
  2. Step 2: Convert to fraction form
    8,380,323.52/12,579,281.13 = 7,426,879.00/x
  3. Step 3: Cross multiply
    8,380,323.52x = 12,579,281.13 × 7,426,879.00
  4. Step 4: Simplify right side
    8,380,323.52x = 93,424,798,855,895.86
  5. Step 5: Solve for x
    x = 93,424,798,855,895.86/8,380,323.52
  6. Step 6: Final answer
    x = 11,148,113.63

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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.