Home / 13,142,948.80-19,717,360.80-4,623,563.20

Finding the Fourth Proportional to 13,142,948.80, 19,717,360.80 and 4,623,563.20

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Solution

The fourth proportional to 13,142,948.80, 19,717,360.80 and 4,623,563.20 is: 6,936,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,948.80 : 19,717,360.80 = 4,623,563.20 : x
  2. Step 2: Convert to fraction form
    13,142,948.80/19,717,360.80 = 4,623,563.20/x
  3. Step 3: Cross multiply
    13,142,948.80x = 19,717,360.80 × 4,623,563.20
  4. Step 4: Simplify right side
    13,142,948.80x = 91,164,463,796,002.56
  5. Step 5: Solve for x
    x = 91,164,463,796,002.56/13,142,948.80
  6. Step 6: Final answer
    x = 6,936,378.22

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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.