Home / 12,355,815.40-18,533,723.10-6,687,111.40

Finding the Fourth Proportional to 12,355,815.40, 18,533,723.10 and 6,687,111.40

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Solution

The fourth proportional to 12,355,815.40, 18,533,723.10 and 6,687,111.40 is: 10,030,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355,815.40 : 18,533,723.10 = 6,687,111.40 : x
  2. Step 2: Convert to fraction form
    12,355,815.40/18,533,723.10 = 6,687,111.40/x
  3. Step 3: Cross multiply
    12,355,815.40x = 18,533,723.10 × 6,687,111.40
  4. Step 4: Simplify right side
    12,355,815.40x = 123,937,071,026,453.36
  5. Step 5: Solve for x
    x = 123,937,071,026,453.36/12,355,815.40
  6. Step 6: Final answer
    x = 10,030,667.10

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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.