Home / 14,215,421.76-21,323,115.84-4,630,784.64

Finding the Fourth Proportional to 14,215,421.76, 21,323,115.84 and 4,630,784.64

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Solution

The fourth proportional to 14,215,421.76, 21,323,115.84 and 4,630,784.64 is: 6,946,171.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215,421.76 : 21,323,115.84 = 4,630,784.64 : x
  2. Step 2: Convert to fraction form
    14,215,421.76/21,323,115.84 = 4,630,784.64/x
  3. Step 3: Cross multiply
    14,215,421.76x = 21,323,115.84 × 4,630,784.64
  4. Step 4: Simplify right side
    14,215,421.76x = 98,742,757,308,812.69
  5. Step 5: Solve for x
    x = 98,742,757,308,812.69/14,215,421.76
  6. Step 6: Final answer
    x = 6,946,171.49

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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.