Home / 52,589,685.39-78,888,494.40-15,698,662.68

Finding the Fourth Proportional to 52,589,685.39, 78,888,494.40 and 15,698,662.68

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Solution

The fourth proportional to 52,589,685.39, 78,888,494.40 and 15,698,662.68 is: 23,549,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,589,685.39 : 78,888,494.40 = 15,698,662.68 : x
  2. Step 2: Convert to fraction form
    52,589,685.39/78,888,494.40 = 15,698,662.68/x
  3. Step 3: Cross multiply
    52,589,685.39x = 78,888,494.40 × 15,698,662.68
  4. Step 4: Simplify right side
    52,589,685.39x = 1,238,443,862,918,669
  5. Step 5: Solve for x
    x = 1,238,443,862,918,669/52,589,685.39
  6. Step 6: Final answer
    x = 23,549,178.01

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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.