Home / 12,852,655.40-19,310,475.90-9,664,009.40

Finding the Fourth Proportional to 12,852,655.40, 19,310,475.90 and 9,664,009.40

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Solution

The fourth proportional to 12,852,655.40, 19,310,475.90 and 9,664,009.40 is: 14,519,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852,655.40 : 19,310,475.90 = 9,664,009.40 : x
  2. Step 2: Convert to fraction form
    12,852,655.40/19,310,475.90 = 9,664,009.40/x
  3. Step 3: Cross multiply
    12,852,655.40x = 19,310,475.90 × 9,664,009.40
  4. Step 4: Simplify right side
    12,852,655.40x = 186,616,620,616,073.44
  5. Step 5: Solve for x
    x = 186,616,620,616,073.44/12,852,655.40
  6. Step 6: Final answer
    x = 14,519,693.78

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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.