Home / 30,551,815.49-42,272,529.49-26,639,723.72

Finding the Fourth Proportional to 30,551,815.49, 42,272,529.49 and 26,639,723.72

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Solution

The fourth proportional to 30,551,815.49, 42,272,529.49 and 26,639,723.72 is: 36,859,626.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,551,815.49 : 42,272,529.49 = 26,639,723.72 : x
  2. Step 2: Convert to fraction form
    30,551,815.49/42,272,529.49 = 26,639,723.72/x
  3. Step 3: Cross multiply
    30,551,815.49x = 42,272,529.49 × 26,639,723.72
  4. Step 4: Simplify right side
    30,551,815.49x = 1,126,128,506,839,621.75
  5. Step 5: Solve for x
    x = 1,126,128,506,839,621.75/30,551,815.49
  6. Step 6: Final answer
    x = 36,859,626.47

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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.