Home / 28,535,045.12-42,793,575.68-9,361,334.40

Finding the Fourth Proportional to 28,535,045.12, 42,793,575.68 and 9,361,334.40

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Solution

The fourth proportional to 28,535,045.12, 42,793,575.68 and 9,361,334.40 is: 14,039,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535,045.12 : 42,793,575.68 = 9,361,334.40 : x
  2. Step 2: Convert to fraction form
    28,535,045.12/42,793,575.68 = 9,361,334.40/x
  3. Step 3: Cross multiply
    28,535,045.12x = 42,793,575.68 × 9,361,334.40
  4. Step 4: Simplify right side
    28,535,045.12x = 400,604,972,112,187.38
  5. Step 5: Solve for x
    x = 400,604,972,112,187.38/28,535,045.12
  6. Step 6: Final answer
    x = 14,039,051.64

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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.