Home / 30,548,535.42-42,158,492.24-18,949,836

Finding the Fourth Proportional to 30,548,535.42, 42,158,492.24 and 18,949,836

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Solution

The fourth proportional to 30,548,535.42, 42,158,492.24 and 18,949,836 is: 26,151,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,548,535.42 : 42,158,492.24 = 18,949,836 : x
  2. Step 2: Convert to fraction form
    30,548,535.42/42,158,492.24 = 18,949,836/x
  3. Step 3: Cross multiply
    30,548,535.42x = 42,158,492.24 × 18,949,836
  4. Step 4: Simplify right side
    30,548,535.42x = 798,896,513,955,272.62
  5. Step 5: Solve for x
    x = 798,896,513,955,272.62/30,548,535.42
  6. Step 6: Final answer
    x = 26,151,712.45

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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.