Home / 14,166,276.98-21,138,928.76-12,639,464.24

Finding the Fourth Proportional to 14,166,276.98, 21,138,928.76 and 12,639,464.24

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Solution

The fourth proportional to 14,166,276.98, 21,138,928.76 and 12,639,464.24 is: 18,860,617.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166,276.98 : 21,138,928.76 = 12,639,464.24 : x
  2. Step 2: Convert to fraction form
    14,166,276.98/21,138,928.76 = 12,639,464.24/x
  3. Step 3: Cross multiply
    14,166,276.98x = 21,138,928.76 × 12,639,464.24
  4. Step 4: Simplify right side
    14,166,276.98x = 267,184,734,059,831.53
  5. Step 5: Solve for x
    x = 267,184,734,059,831.53/14,166,276.98
  6. Step 6: Final answer
    x = 18,860,617.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.