Home / 20,044,724.40-30,130,072.20-19,666,810.80

Finding the Fourth Proportional to 20,044,724.40, 30,130,072.20 and 19,666,810.80

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Solution

The fourth proportional to 20,044,724.40, 30,130,072.20 and 19,666,810.80 is: 29,562,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044,724.40 : 30,130,072.20 = 19,666,810.80 : x
  2. Step 2: Convert to fraction form
    20,044,724.40/30,130,072.20 = 19,666,810.80/x
  3. Step 3: Cross multiply
    20,044,724.40x = 30,130,072.20 × 19,666,810.80
  4. Step 4: Simplify right side
    20,044,724.40x = 592,562,429,347,739.75
  5. Step 5: Solve for x
    x = 592,562,429,347,739.75/20,044,724.40
  6. Step 6: Final answer
    x = 29,562,014.30

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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.