Home / 20,651,052.95-28,498,509.86-11,359,574.88

Finding the Fourth Proportional to 20,651,052.95, 28,498,509.86 and 11,359,574.88

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Solution

The fourth proportional to 20,651,052.95, 28,498,509.86 and 11,359,574.88 is: 15,676,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,651,052.95 : 28,498,509.86 = 11,359,574.88 : x
  2. Step 2: Convert to fraction form
    20,651,052.95/28,498,509.86 = 11,359,574.88/x
  3. Step 3: Cross multiply
    20,651,052.95x = 28,498,509.86 × 11,359,574.88
  4. Step 4: Simplify right side
    20,651,052.95x = 323,730,956,559,421.06
  5. Step 5: Solve for x
    x = 323,730,956,559,421.06/20,651,052.95
  6. Step 6: Final answer
    x = 15,676,244.57

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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.