Home / 30,360,589.11-45,540,847.96-9,890,275.18

Finding the Fourth Proportional to 30,360,589.11, 45,540,847.96 and 9,890,275.18

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Solution

The fourth proportional to 30,360,589.11, 45,540,847.96 and 9,890,275.18 is: 14,835,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360,589.11 : 45,540,847.96 = 9,890,275.18 : x
  2. Step 2: Convert to fraction form
    30,360,589.11/45,540,847.96 = 9,890,275.18/x
  3. Step 3: Cross multiply
    30,360,589.11x = 45,540,847.96 × 9,890,275.18
  4. Step 4: Simplify right side
    30,360,589.11x = 450,411,518,254,941.62
  5. Step 5: Solve for x
    x = 450,411,518,254,941.62/30,360,589.11
  6. Step 6: Final answer
    x = 14,835,401.14

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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.