Home / 13,185,956.80-19,778,935.20-8,881,284.70

Finding the Fourth Proportional to 13,185,956.80, 19,778,935.20 and 8,881,284.70

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Solution

The fourth proportional to 13,185,956.80, 19,778,935.20 and 8,881,284.70 is: 13,321,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,956.80 : 19,778,935.20 = 8,881,284.70 : x
  2. Step 2: Convert to fraction form
    13,185,956.80/19,778,935.20 = 8,881,284.70/x
  3. Step 3: Cross multiply
    13,185,956.80x = 19,778,935.20 × 8,881,284.70
  4. Step 4: Simplify right side
    13,185,956.80x = 175,662,354,574,051.41
  5. Step 5: Solve for x
    x = 175,662,354,574,051.41/13,185,956.80
  6. Step 6: Final answer
    x = 13,321,927.05

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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.