Home / 52,007,713.22-78,009,677.84-15,615,157.72

Finding the Fourth Proportional to 52,007,713.22, 78,009,677.84 and 15,615,157.72

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Solution

The fourth proportional to 52,007,713.22, 78,009,677.84 and 15,615,157.72 is: 23,422,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007,713.22 : 78,009,677.84 = 15,615,157.72 : x
  2. Step 2: Convert to fraction form
    52,007,713.22/78,009,677.84 = 15,615,157.72/x
  3. Step 3: Cross multiply
    52,007,713.22x = 78,009,677.84 × 15,615,157.72
  4. Step 4: Simplify right side
    52,007,713.22x = 1,218,133,423,157,989
  5. Step 5: Solve for x
    x = 1,218,133,423,157,989/52,007,713.22
  6. Step 6: Final answer
    x = 23,422,168.52

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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.