Home / 30,360,618.17-45,540,890.60-9,890,304.34

Finding the Fourth Proportional to 30,360,618.17, 45,540,890.60 and 9,890,304.34

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Solution

The fourth proportional to 30,360,618.17, 45,540,890.60 and 9,890,304.34 is: 14,835,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360,618.17 : 45,540,890.60 = 9,890,304.34 : x
  2. Step 2: Convert to fraction form
    30,360,618.17/45,540,890.60 = 9,890,304.34/x
  3. Step 3: Cross multiply
    30,360,618.17x = 45,540,890.60 × 9,890,304.34
  4. Step 4: Simplify right side
    30,360,618.17x = 450,413,267,956,119.81
  5. Step 5: Solve for x
    x = 450,413,267,956,119.81/30,360,618.17
  6. Step 6: Final answer
    x = 14,835,444.57

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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.