Home / 40,430,518.60-60,604,443.60-19,928,705.80

Finding the Fourth Proportional to 40,430,518.60, 60,604,443.60 and 19,928,705.80

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Solution

The fourth proportional to 40,430,518.60, 60,604,443.60 and 19,928,705.80 is: 29,872,684.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,430,518.60 : 60,604,443.60 = 19,928,705.80 : x
  2. Step 2: Convert to fraction form
    40,430,518.60/60,604,443.60 = 19,928,705.80/x
  3. Step 3: Cross multiply
    40,430,518.60x = 60,604,443.60 × 19,928,705.80
  4. Step 4: Simplify right side
    40,430,518.60x = 1,207,768,126,677,093
  5. Step 5: Solve for x
    x = 1,207,768,126,677,093/40,430,518.60
  6. Step 6: Final answer
    x = 29,872,684.51

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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.