Home / 10,402,285.45-15,603,476.78-3,670,699.45

Finding the Fourth Proportional to 10,402,285.45, 15,603,476.78 and 3,670,699.45

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Solution

The fourth proportional to 10,402,285.45, 15,603,476.78 and 3,670,699.45 is: 5,506,066.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,285.45 : 15,603,476.78 = 3,670,699.45 : x
  2. Step 2: Convert to fraction form
    10,402,285.45/15,603,476.78 = 3,670,699.45/x
  3. Step 3: Cross multiply
    10,402,285.45x = 15,603,476.78 × 3,670,699.45
  4. Step 4: Simplify right side
    10,402,285.45x = 57,275,673,634,433.77
  5. Step 5: Solve for x
    x = 57,275,673,634,433.77/10,402,285.45
  6. Step 6: Final answer
    x = 5,506,066.33

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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.