Home / 12,386,333.40-18,544,070.70-7,603,364.40

Finding the Fourth Proportional to 12,386,333.40, 18,544,070.70 and 7,603,364.40

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Solution

The fourth proportional to 12,386,333.40, 18,544,070.70 and 7,603,364.40 is: 11,383,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386,333.40 : 18,544,070.70 = 7,603,364.40 : x
  2. Step 2: Convert to fraction form
    12,386,333.40/18,544,070.70 = 7,603,364.40/x
  3. Step 3: Cross multiply
    12,386,333.40x = 18,544,070.70 × 7,603,364.40
  4. Step 4: Simplify right side
    12,386,333.40x = 140,997,326,991,463.09
  5. Step 5: Solve for x
    x = 140,997,326,991,463.09/12,386,333.40
  6. Step 6: Final answer
    x = 11,383,298.22

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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.