Home / 20,736,002.40-31,104,003.60-20,039,272.80

Finding the Fourth Proportional to 20,736,002.40, 31,104,003.60 and 20,039,272.80

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Solution

The fourth proportional to 20,736,002.40, 31,104,003.60 and 20,039,272.80 is: 30,058,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,002.40 : 31,104,003.60 = 20,039,272.80 : x
  2. Step 2: Convert to fraction form
    20,736,002.40/31,104,003.60 = 20,039,272.80/x
  3. Step 3: Cross multiply
    20,736,002.40x = 31,104,003.60 × 20,039,272.80
  4. Step 4: Simplify right side
    20,736,002.40x = 623,301,613,312,582.12
  5. Step 5: Solve for x
    x = 623,301,613,312,582.12/20,736,002.40
  6. Step 6: Final answer
    x = 30,058,909.20

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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.