Home / 30,243,216.72-45,352,318.38-9,486,731.46

Finding the Fourth Proportional to 30,243,216.72, 45,352,318.38 and 9,486,731.46

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Solution

The fourth proportional to 30,243,216.72, 45,352,318.38 and 9,486,731.46 is: 14,226,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243,216.72 : 45,352,318.38 = 9,486,731.46 : x
  2. Step 2: Convert to fraction form
    30,243,216.72/45,352,318.38 = 9,486,731.46/x
  3. Step 3: Cross multiply
    30,243,216.72x = 45,352,318.38 × 9,486,731.46
  4. Step 4: Simplify right side
    30,243,216.72x = 430,245,265,559,482.31
  5. Step 5: Solve for x
    x = 430,245,265,559,482.31/30,243,216.72
  6. Step 6: Final answer
    x = 14,226,174.07

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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.