Home / 20,736,005.60-31,104,008.40-15,626,655.20

Finding the Fourth Proportional to 20,736,005.60, 31,104,008.40 and 15,626,655.20

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Solution

The fourth proportional to 20,736,005.60, 31,104,008.40 and 15,626,655.20 is: 23,439,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,005.60 : 31,104,008.40 = 15,626,655.20 : x
  2. Step 2: Convert to fraction form
    20,736,005.60/31,104,008.40 = 15,626,655.20/x
  3. Step 3: Cross multiply
    20,736,005.60x = 31,104,008.40 × 15,626,655.20
  4. Step 4: Simplify right side
    20,736,005.60x = 486,051,614,604,703.62
  5. Step 5: Solve for x
    x = 486,051,614,604,703.62/20,736,005.60
  6. Step 6: Final answer
    x = 23,439,982.80

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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.