Home / 25,398,669.60-35,055,710.28-15,617,530.80

Finding the Fourth Proportional to 25,398,669.60, 35,055,710.28 and 15,617,530.80

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Solution

The fourth proportional to 25,398,669.60, 35,055,710.28 and 15,617,530.80 is: 21,555,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,398,669.60 : 35,055,710.28 = 15,617,530.80 : x
  2. Step 2: Convert to fraction form
    25,398,669.60/35,055,710.28 = 15,617,530.80/x
  3. Step 3: Cross multiply
    25,398,669.60x = 35,055,710.28 × 15,617,530.80
  4. Step 4: Simplify right side
    25,398,669.60x = 547,483,635,013,776.69
  5. Step 5: Solve for x
    x = 547,483,635,013,776.69/25,398,669.60
  6. Step 6: Final answer
    x = 21,555,602.86

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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.