Home / 30,133,496.80-45,183,656.40-9,928,338.40

Finding the Fourth Proportional to 30,133,496.80, 45,183,656.40 and 9,928,338.40

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Solution

The fourth proportional to 30,133,496.80, 45,183,656.40 and 9,928,338.40 is: 14,887,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,133,496.80 : 45,183,656.40 = 9,928,338.40 : x
  2. Step 2: Convert to fraction form
    30,133,496.80/45,183,656.40 = 9,928,338.40/x
  3. Step 3: Cross multiply
    30,133,496.80x = 45,183,656.40 × 9,928,338.40
  4. Step 4: Simplify right side
    30,133,496.80x = 448,598,630,888,525.75
  5. Step 5: Solve for x
    x = 448,598,630,888,525.75/30,133,496.80
  6. Step 6: Final answer
    x = 14,887,041.95

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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.