Home / 28,385,759.04-39,172,364.63-15,333,023.72

Finding the Fourth Proportional to 28,385,759.04, 39,172,364.63 and 15,333,023.72

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Solution

The fourth proportional to 28,385,759.04, 39,172,364.63 and 15,333,023.72 is: 21,159,582.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,385,759.04 : 39,172,364.63 = 15,333,023.72 : x
  2. Step 2: Convert to fraction form
    28,385,759.04/39,172,364.63 = 15,333,023.72/x
  3. Step 3: Cross multiply
    28,385,759.04x = 39,172,364.63 × 15,333,023.72
  4. Step 4: Simplify right side
    28,385,759.04x = 600,630,795,844,417.25
  5. Step 5: Solve for x
    x = 600,630,795,844,417.25/28,385,759.04
  6. Step 6: Final answer
    x = 21,159,582.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.