Home / 12,260,661.60-16,920,237.88-6,828,153.60

Finding the Fourth Proportional to 12,260,661.60, 16,920,237.88 and 6,828,153.60

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Solution

The fourth proportional to 12,260,661.60, 16,920,237.88 and 6,828,153.60 is: 9,423,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,661.60 : 16,920,237.88 = 6,828,153.60 : x
  2. Step 2: Convert to fraction form
    12,260,661.60/16,920,237.88 = 6,828,153.60/x
  3. Step 3: Cross multiply
    12,260,661.60x = 16,920,237.88 × 6,828,153.60
  4. Step 4: Simplify right side
    12,260,661.60x = 115,533,983,193,178.36
  5. Step 5: Solve for x
    x = 115,533,983,193,178.36/12,260,661.60
  6. Step 6: Final answer
    x = 9,423,144.28

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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.