Home / 20,841,519.42-28,761,465.70-11,549,244.72

Finding the Fourth Proportional to 20,841,519.42, 28,761,465.70 and 11,549,244.72

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Solution

The fourth proportional to 20,841,519.42, 28,761,465.70 and 11,549,244.72 is: 15,938,051.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841,519.42 : 28,761,465.70 = 11,549,244.72 : x
  2. Step 2: Convert to fraction form
    20,841,519.42/28,761,465.70 = 11,549,244.72/x
  3. Step 3: Cross multiply
    20,841,519.42x = 28,761,465.70 × 11,549,244.72
  4. Step 4: Simplify right side
    20,841,519.42x = 332,173,205,875,186.12
  5. Step 5: Solve for x
    x = 332,173,205,875,186.12/20,841,519.42
  6. Step 6: Final answer
    x = 15,938,051.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.