Home / 30,133,432.80-45,183,560.40-9,928,274.40

Finding the Fourth Proportional to 30,133,432.80, 45,183,560.40 and 9,928,274.40

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Solution

The fourth proportional to 30,133,432.80, 45,183,560.40 and 9,928,274.40 is: 14,886,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,133,432.80 : 45,183,560.40 = 9,928,274.40 : x
  2. Step 2: Convert to fraction form
    30,133,432.80/45,183,560.40 = 9,928,274.40/x
  3. Step 3: Cross multiply
    30,133,432.80x = 45,183,560.40 × 9,928,274.40
  4. Step 4: Simplify right side
    30,133,432.80x = 448,594,786,020,173.75
  5. Step 5: Solve for x
    x = 448,594,786,020,173.75/30,133,432.80
  6. Step 6: Final answer
    x = 14,886,945.97

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1.5x scale

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.