Home / 21,842,421.60-32,763,632.40-20,496,104.40

Finding the Fourth Proportional to 21,842,421.60, 32,763,632.40 and 20,496,104.40

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Solution

The fourth proportional to 21,842,421.60, 32,763,632.40 and 20,496,104.40 is: 30,744,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842,421.60 : 32,763,632.40 = 20,496,104.40 : x
  2. Step 2: Convert to fraction form
    21,842,421.60/32,763,632.40 = 20,496,104.40/x
  3. Step 3: Cross multiply
    21,842,421.60x = 32,763,632.40 × 20,496,104.40
  4. Step 4: Simplify right side
    21,842,421.60x = 671,526,830,193,622.50
  5. Step 5: Solve for x
    x = 671,526,830,193,622.50/21,842,421.60
  6. Step 6: Final answer
    x = 30,744,156.60

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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.