Home / 30,223,873.80-45,335,810.70-18,130,638.60

Finding the Fourth Proportional to 30,223,873.80, 45,335,810.70 and 18,130,638.60

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Solution

The fourth proportional to 30,223,873.80, 45,335,810.70 and 18,130,638.60 is: 27,195,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,223,873.80 : 45,335,810.70 = 18,130,638.60 : x
  2. Step 2: Convert to fraction form
    30,223,873.80/45,335,810.70 = 18,130,638.60/x
  3. Step 3: Cross multiply
    30,223,873.80x = 45,335,810.70 × 18,130,638.60
  4. Step 4: Simplify right side
    30,223,873.80x = 821,967,199,439,713.12
  5. Step 5: Solve for x
    x = 821,967,199,439,713.12/30,223,873.80
  6. Step 6: Final answer
    x = 27,195,957.90

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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.