Home / 30,306,406.50-45,470,903.58-18,184,570.20

Finding the Fourth Proportional to 30,306,406.50, 45,470,903.58 and 18,184,570.20

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Solution

The fourth proportional to 30,306,406.50, 45,470,903.58 and 18,184,570.20 is: 27,283,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306,406.50 : 45,470,903.58 = 18,184,570.20 : x
  2. Step 2: Convert to fraction form
    30,306,406.50/45,470,903.58 = 18,184,570.20/x
  3. Step 3: Cross multiply
    30,306,406.50x = 45,470,903.58 × 18,184,570.20
  4. Step 4: Simplify right side
    30,306,406.50x = 826,868,838,207,941.25
  5. Step 5: Solve for x
    x = 826,868,838,207,941.25/30,306,406.50
  6. Step 6: Final answer
    x = 27,283,631.87

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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.