Home / 15,666,701.20-23,500,051.80-12,265,478.80

Finding the Fourth Proportional to 15,666,701.20, 23,500,051.80 and 12,265,478.80

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Solution

The fourth proportional to 15,666,701.20, 23,500,051.80 and 12,265,478.80 is: 18,398,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666,701.20 : 23,500,051.80 = 12,265,478.80 : x
  2. Step 2: Convert to fraction form
    15,666,701.20/23,500,051.80 = 12,265,478.80/x
  3. Step 3: Cross multiply
    15,666,701.20x = 23,500,051.80 × 12,265,478.80
  4. Step 4: Simplify right side
    15,666,701.20x = 288,239,387,151,801.88
  5. Step 5: Solve for x
    x = 288,239,387,151,801.88/15,666,701.20
  6. Step 6: Final answer
    x = 18,398,218.20

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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.