Home / 35,290,670.40-52,936,005.60-12,572,308.80

Finding the Fourth Proportional to 35,290,670.40, 52,936,005.60 and 12,572,308.80

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Solution

The fourth proportional to 35,290,670.40, 52,936,005.60 and 12,572,308.80 is: 18,858,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,290,670.40 : 52,936,005.60 = 12,572,308.80 : x
  2. Step 2: Convert to fraction form
    35,290,670.40/52,936,005.60 = 12,572,308.80/x
  3. Step 3: Cross multiply
    35,290,670.40x = 52,936,005.60 × 12,572,308.80
  4. Step 4: Simplify right side
    35,290,670.40x = 665,527,809,041,729.38
  5. Step 5: Solve for x
    x = 665,527,809,041,729.38/35,290,670.40
  6. Step 6: Final answer
    x = 18,858,463.20

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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.