Home / 15,561,905.80-23,369,102.70-13,000,491.40

Finding the Fourth Proportional to 15,561,905.80, 23,369,102.70 and 13,000,491.40

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Solution

The fourth proportional to 15,561,905.80, 23,369,102.70 and 13,000,491.40 is: 19,522,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561,905.80 : 23,369,102.70 = 13,000,491.40 : x
  2. Step 2: Convert to fraction form
    15,561,905.80/23,369,102.70 = 13,000,491.40/x
  3. Step 3: Cross multiply
    15,561,905.80x = 23,369,102.70 × 13,000,491.40
  4. Step 4: Simplify right side
    15,561,905.80x = 303,809,818,677,066.75
  5. Step 5: Solve for x
    x = 303,809,818,677,066.75/15,561,905.80
  6. Step 6: Final answer
    x = 19,522,661.46

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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.