Home / 13,626,139.01-20,430,975.87-5,430,041.82

Finding the Fourth Proportional to 13,626,139.01, 20,430,975.87 and 5,430,041.82

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Solution

The fourth proportional to 13,626,139.01, 20,430,975.87 and 5,430,041.82 is: 8,141,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626,139.01 : 20,430,975.87 = 5,430,041.82 : x
  2. Step 2: Convert to fraction form
    13,626,139.01/20,430,975.87 = 5,430,041.82/x
  3. Step 3: Cross multiply
    13,626,139.01x = 20,430,975.87 × 5,430,041.82
  4. Step 4: Simplify right side
    13,626,139.01x = 110,941,053,397,510.89
  5. Step 5: Solve for x
    x = 110,941,053,397,510.89/13,626,139.01
  6. Step 6: Final answer
    x = 8,141,782.01

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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.