Home / 20,336,607.77-28,073,107.29-13,730,146.07

Finding the Fourth Proportional to 20,336,607.77, 28,073,107.29 and 13,730,146.07

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Solution

The fourth proportional to 20,336,607.77, 28,073,107.29 and 13,730,146.07 is: 18,953,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336,607.77 : 28,073,107.29 = 13,730,146.07 : x
  2. Step 2: Convert to fraction form
    20,336,607.77/28,073,107.29 = 13,730,146.07/x
  3. Step 3: Cross multiply
    20,336,607.77x = 28,073,107.29 × 13,730,146.07
  4. Step 4: Simplify right side
    20,336,607.77x = 385,447,863,590,116.31
  5. Step 5: Solve for x
    x = 385,447,863,590,116.31/20,336,607.77
  6. Step 6: Final answer
    x = 18,953,400.10

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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.