Home / 30,548,534.42-42,158,490.86-18,949,835

Finding the Fourth Proportional to 30,548,534.42, 42,158,490.86 and 18,949,835

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Solution

The fourth proportional to 30,548,534.42, 42,158,490.86 and 18,949,835 is: 26,151,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,548,534.42 : 42,158,490.86 = 18,949,835 : x
  2. Step 2: Convert to fraction form
    30,548,534.42/42,158,490.86 = 18,949,835/x
  3. Step 3: Cross multiply
    30,548,534.42x = 42,158,490.86 × 18,949,835
  4. Step 4: Simplify right side
    30,548,534.42x = 798,896,445,551,258.88
  5. Step 5: Solve for x
    x = 798,896,445,551,258.88/30,548,534.42
  6. Step 6: Final answer
    x = 26,151,711.06

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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.