Home / 12,152,008.60-18,228,012.90-11,963,051.80

Finding the Fourth Proportional to 12,152,008.60, 18,228,012.90 and 11,963,051.80

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Solution

The fourth proportional to 12,152,008.60, 18,228,012.90 and 11,963,051.80 is: 17,944,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152,008.60 : 18,228,012.90 = 11,963,051.80 : x
  2. Step 2: Convert to fraction form
    12,152,008.60/18,228,012.90 = 11,963,051.80/x
  3. Step 3: Cross multiply
    12,152,008.60x = 18,228,012.90 × 11,963,051.80
  4. Step 4: Simplify right side
    12,152,008.60x = 218,062,662,533,768.22
  5. Step 5: Solve for x
    x = 218,062,662,533,768.22/12,152,008.60
  6. Step 6: Final answer
    x = 17,944,577.70

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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.