Home / 13,525,295.61-20,291,053.88-4,427,686.65

Finding the Fourth Proportional to 13,525,295.61, 20,291,053.88 and 4,427,686.65

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Solution

The fourth proportional to 13,525,295.61, 20,291,053.88 and 4,427,686.65 is: 6,642,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525,295.61 : 20,291,053.88 = 4,427,686.65 : x
  2. Step 2: Convert to fraction form
    13,525,295.61/20,291,053.88 = 4,427,686.65/x
  3. Step 3: Cross multiply
    13,525,295.61x = 20,291,053.88 × 4,427,686.65
  4. Step 4: Simplify right side
    13,525,295.61x = 89,842,428,378,906.70
  5. Step 5: Solve for x
    x = 89,842,428,378,906.70/13,525,295.61
  6. Step 6: Final answer
    x = 6,642,548.23

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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.