Home / 29,121,878.60-43,688,066.70-12,084,273.80

Finding the Fourth Proportional to 29,121,878.60, 43,688,066.70 and 12,084,273.80

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Solution

The fourth proportional to 29,121,878.60, 43,688,066.70 and 12,084,273.80 is: 18,128,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121,878.60 : 43,688,066.70 = 12,084,273.80 : x
  2. Step 2: Convert to fraction form
    29,121,878.60/43,688,066.70 = 12,084,273.80/x
  3. Step 3: Cross multiply
    29,121,878.60x = 43,688,066.70 × 12,084,273.80
  4. Step 4: Simplify right side
    29,121,878.60x = 527,938,559,795,462.50
  5. Step 5: Solve for x
    x = 527,938,559,795,462.50/29,121,878.60
  6. Step 6: Final answer
    x = 18,128,588.72

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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.