Home / 28,565,622.08-42,842,853.71-9,129,634.50

Finding the Fourth Proportional to 28,565,622.08, 42,842,853.71 and 9,129,634.50

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Solution

The fourth proportional to 28,565,622.08, 42,842,853.71 and 9,129,634.50 is: 13,692,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565,622.08 : 42,842,853.71 = 9,129,634.50 : x
  2. Step 2: Convert to fraction form
    28,565,622.08/42,842,853.71 = 9,129,634.50/x
  3. Step 3: Cross multiply
    28,565,622.08x = 42,842,853.71 × 9,129,634.50
  4. Step 4: Simplify right side
    28,565,622.08x = 391,139,595,424,281.50
  5. Step 5: Solve for x
    x = 391,139,595,424,281.50/28,565,622.08
  6. Step 6: Final answer
    x = 13,692,668.56

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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.