Home / 35,885,406.40-53,828,872.32-12,857,840.80

Finding the Fourth Proportional to 35,885,406.40, 53,828,872.32 and 12,857,840.80

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Solution

The fourth proportional to 35,885,406.40, 53,828,872.32 and 12,857,840.80 is: 19,287,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,885,406.40 : 53,828,872.32 = 12,857,840.80 : x
  2. Step 2: Convert to fraction form
    35,885,406.40/53,828,872.32 = 12,857,840.80/x
  3. Step 3: Cross multiply
    35,885,406.40x = 53,828,872.32 × 12,857,840.80
  4. Step 4: Simplify right side
    35,885,406.40x = 692,123,070,734,086.75
  5. Step 5: Solve for x
    x = 692,123,070,734,086.75/35,885,406.40
  6. Step 6: Final answer
    x = 19,287,034.48

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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.