Home / 30,360,318.47-45,540,440.80-9,890,004.62

Finding the Fourth Proportional to 30,360,318.47, 45,540,440.80 and 9,890,004.62

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Solution

The fourth proportional to 30,360,318.47, 45,540,440.80 and 9,890,004.62 is: 14,834,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360,318.47 : 45,540,440.80 = 9,890,004.62 : x
  2. Step 2: Convert to fraction form
    30,360,318.47/45,540,440.80 = 9,890,004.62/x
  3. Step 3: Cross multiply
    30,360,318.47x = 45,540,440.80 × 9,890,004.62
  4. Step 4: Simplify right side
    30,360,318.47x = 450,395,170,039,678.62
  5. Step 5: Solve for x
    x = 450,395,170,039,678.62/30,360,318.47
  6. Step 6: Final answer
    x = 14,834,994.91

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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.