Home / 43,693,501.60-65,549,000.40-12,988,021.60

Finding the Fourth Proportional to 43,693,501.60, 65,549,000.40 and 12,988,021.60

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Solution

The fourth proportional to 43,693,501.60, 65,549,000.40 and 12,988,021.60 is: 19,484,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,693,501.60 : 65,549,000.40 = 12,988,021.60 : x
  2. Step 2: Convert to fraction form
    43,693,501.60/65,549,000.40 = 12,988,021.60/x
  3. Step 3: Cross multiply
    43,693,501.60x = 65,549,000.40 × 12,988,021.60
  4. Step 4: Simplify right side
    43,693,501.60x = 851,351,833,053,608.62
  5. Step 5: Solve for x
    x = 851,351,833,053,608.62/43,693,501.60
  6. Step 6: Final answer
    x = 19,484,632.77

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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.