Home / 21,353,111.20-32,029,666.80-20,308,016.80

Finding the Fourth Proportional to 21,353,111.20, 32,029,666.80 and 20,308,016.80

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Solution

The fourth proportional to 21,353,111.20, 32,029,666.80 and 20,308,016.80 is: 30,462,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,111.20 : 32,029,666.80 = 20,308,016.80 : x
  2. Step 2: Convert to fraction form
    21,353,111.20/32,029,666.80 = 20,308,016.80/x
  3. Step 3: Cross multiply
    21,353,111.20x = 32,029,666.80 × 20,308,016.80
  4. Step 4: Simplify right side
    21,353,111.20x = 650,459,011,472,802.25
  5. Step 5: Solve for x
    x = 650,459,011,472,802.25/21,353,111.20
  6. Step 6: Final answer
    x = 30,462,025.20

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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.