Home / 15,115,939.60-22,673,909.40-8,289,875.20

Finding the Fourth Proportional to 15,115,939.60, 22,673,909.40 and 8,289,875.20

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Solution

The fourth proportional to 15,115,939.60, 22,673,909.40 and 8,289,875.20 is: 12,434,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115,939.60 : 22,673,909.40 = 8,289,875.20 : x
  2. Step 2: Convert to fraction form
    15,115,939.60/22,673,909.40 = 8,289,875.20/x
  3. Step 3: Cross multiply
    15,115,939.60x = 22,673,909.40 × 8,289,875.20
  4. Step 4: Simplify right side
    15,115,939.60x = 187,963,879,222,106.88
  5. Step 5: Solve for x
    x = 187,963,879,222,106.88/15,115,939.60
  6. Step 6: Final answer
    x = 12,434,812.80

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1.5x scale

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.