Home / 15,630,166.42-21,569,629.52-9,518,594.92

Finding the Fourth Proportional to 15,630,166.42, 21,569,629.52 and 9,518,594.92

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Solution

The fourth proportional to 15,630,166.42, 21,569,629.52 and 9,518,594.92 is: 13,135,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630,166.42 : 21,569,629.52 = 9,518,594.92 : x
  2. Step 2: Convert to fraction form
    15,630,166.42/21,569,629.52 = 9,518,594.92/x
  3. Step 3: Cross multiply
    15,630,166.42x = 21,569,629.52 × 9,518,594.92
  4. Step 4: Simplify right side
    15,630,166.42x = 205,312,565,945,226.47
  5. Step 5: Solve for x
    x = 205,312,565,945,226.47/15,630,166.42
  6. Step 6: Final answer
    x = 13,135,660.90

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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.