Home / 20,653,848.60-30,980,772.90-17,063,669.40

Finding the Fourth Proportional to 20,653,848.60, 30,980,772.90 and 17,063,669.40

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Solution

The fourth proportional to 20,653,848.60, 30,980,772.90 and 17,063,669.40 is: 25,595,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653,848.60 : 30,980,772.90 = 17,063,669.40 : x
  2. Step 2: Convert to fraction form
    20,653,848.60/30,980,772.90 = 17,063,669.40/x
  3. Step 3: Cross multiply
    20,653,848.60x = 30,980,772.90 × 17,063,669.40
  4. Step 4: Simplify right side
    20,653,848.60x = 528,645,666,522,079.19
  5. Step 5: Solve for x
    x = 528,645,666,522,079.19/20,653,848.60
  6. Step 6: Final answer
    x = 25,595,504.10

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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.