Home / 21,783,315.60-32,674,973.40-20,366,139.60

Finding the Fourth Proportional to 21,783,315.60, 32,674,973.40 and 20,366,139.60

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Solution

The fourth proportional to 21,783,315.60, 32,674,973.40 and 20,366,139.60 is: 30,549,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,315.60 : 32,674,973.40 = 20,366,139.60 : x
  2. Step 2: Convert to fraction form
    21,783,315.60/32,674,973.40 = 20,366,139.60/x
  3. Step 3: Cross multiply
    21,783,315.60x = 32,674,973.40 × 20,366,139.60
  4. Step 4: Simplify right side
    21,783,315.60x = 665,463,069,690,686.62
  5. Step 5: Solve for x
    x = 665,463,069,690,686.62/21,783,315.60
  6. Step 6: Final answer
    x = 30,549,209.40

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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.