Home / 28,417,033.12-42,614,967.84-10,216,261.84

Finding the Fourth Proportional to 28,417,033.12, 42,614,967.84 and 10,216,261.84

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Solution

The fourth proportional to 28,417,033.12, 42,614,967.84 and 10,216,261.84 is: 15,320,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417,033.12 : 42,614,967.84 = 10,216,261.84 : x
  2. Step 2: Convert to fraction form
    28,417,033.12/42,614,967.84 = 10,216,261.84/x
  3. Step 3: Cross multiply
    28,417,033.12x = 42,614,967.84 × 10,216,261.84
  4. Step 4: Simplify right side
    28,417,033.12x = 435,365,669,756,619.25
  5. Step 5: Solve for x
    x = 435,365,669,756,619.25/28,417,033.12
  6. Step 6: Final answer
    x = 15,320,588.46

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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.