Home / 8,912,939.50-12,300,005.55-4,838,558.50

Finding the Fourth Proportional to 8,912,939.50, 12,300,005.55 and 4,838,558.50

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Solution

The fourth proportional to 8,912,939.50, 12,300,005.55 and 4,838,558.50 is: 6,677,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912,939.50 : 12,300,005.55 = 4,838,558.50 : x
  2. Step 2: Convert to fraction form
    8,912,939.50/12,300,005.55 = 4,838,558.50/x
  3. Step 3: Cross multiply
    8,912,939.50x = 12,300,005.55 × 4,838,558.50
  4. Step 4: Simplify right side
    8,912,939.50x = 59,514,296,403,999.68
  5. Step 5: Solve for x
    x = 59,514,296,403,999.68/8,912,939.50
  6. Step 6: Final answer
    x = 6,677,291.64

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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.