Home / 30,333,243.60-45,499,865.40-12,140,246.70

Finding the Fourth Proportional to 30,333,243.60, 45,499,865.40 and 12,140,246.70

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Solution

The fourth proportional to 30,333,243.60, 45,499,865.40 and 12,140,246.70 is: 18,210,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,333,243.60 : 45,499,865.40 = 12,140,246.70 : x
  2. Step 2: Convert to fraction form
    30,333,243.60/45,499,865.40 = 12,140,246.70/x
  3. Step 3: Cross multiply
    30,333,243.60x = 45,499,865.40 × 12,140,246.70
  4. Step 4: Simplify right side
    30,333,243.60x = 552,379,590,772,794.12
  5. Step 5: Solve for x
    x = 552,379,590,772,794.12/30,333,243.60
  6. Step 6: Final answer
    x = 18,210,370.05

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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.