Home / 9,141,619.47-12,615,161.46-5,011,509.48

Finding the Fourth Proportional to 9,141,619.47, 12,615,161.46 and 5,011,509.48

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Solution

The fourth proportional to 9,141,619.47, 12,615,161.46 and 5,011,509.48 is: 6,915,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141,619.47 : 12,615,161.46 = 5,011,509.48 : x
  2. Step 2: Convert to fraction form
    9,141,619.47/12,615,161.46 = 5,011,509.48/x
  3. Step 3: Cross multiply
    9,141,619.47x = 12,615,161.46 × 5,011,509.48
  4. Step 4: Simplify right side
    9,141,619.47x = 63,221,001,248,520.65
  5. Step 5: Solve for x
    x = 63,221,001,248,520.65/9,141,619.47
  6. Step 6: Final answer
    x = 6,915,733.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.