Home / 48,417,873.28-72,583,809.20-18,867,221.49

Finding the Fourth Proportional to 48,417,873.28, 72,583,809.20 and 18,867,221.49

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Solution

The fourth proportional to 48,417,873.28, 72,583,809.20 and 18,867,221.49 is: 28,284,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,417,873.28 : 72,583,809.20 = 18,867,221.49 : x
  2. Step 2: Convert to fraction form
    48,417,873.28/72,583,809.20 = 18,867,221.49/x
  3. Step 3: Cross multiply
    48,417,873.28x = 72,583,809.20 × 18,867,221.49
  4. Step 4: Simplify right side
    48,417,873.28x = 1,369,454,804,448,548.75
  5. Step 5: Solve for x
    x = 1,369,454,804,448,548.75/48,417,873.28
  6. Step 6: Final answer
    x = 28,284,075.93

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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.