Home / 28,332,353.80-42,488,033.10-9,163,736.20

Finding the Fourth Proportional to 28,332,353.80, 42,488,033.10 and 9,163,736.20

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Solution

The fourth proportional to 28,332,353.80, 42,488,033.10 and 9,163,736.20 is: 13,742,208.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,332,353.80 : 42,488,033.10 = 9,163,736.20 : x
  2. Step 2: Convert to fraction form
    28,332,353.80/42,488,033.10 = 9,163,736.20/x
  3. Step 3: Cross multiply
    28,332,353.80x = 42,488,033.10 × 9,163,736.20
  4. Step 4: Simplify right side
    28,332,353.80x = 389,349,126,985,268.19
  5. Step 5: Solve for x
    x = 389,349,126,985,268.19/28,332,353.80
  6. Step 6: Final answer
    x = 13,742,208.99

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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.