Home / 30,546,742.78-45,811,145.65-8,976,215.98

Finding the Fourth Proportional to 30,546,742.78, 45,811,145.65 and 8,976,215.98

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Solution

The fourth proportional to 30,546,742.78, 45,811,145.65 and 8,976,215.98 is: 13,461,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,546,742.78 : 45,811,145.65 = 8,976,215.98 : x
  2. Step 2: Convert to fraction form
    30,546,742.78/45,811,145.65 = 8,976,215.98/x
  3. Step 3: Cross multiply
    30,546,742.78x = 45,811,145.65 × 8,976,215.98
  4. Step 4: Simplify right side
    30,546,742.78x = 411,210,737,697,291.25
  5. Step 5: Solve for x
    x = 411,210,737,697,291.25/30,546,742.78
  6. Step 6: Final answer
    x = 13,461,688.56

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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.