Home / 10,370,878.70-15,570,314.85-8,243,365.10

Finding the Fourth Proportional to 10,370,878.70, 15,570,314.85 and 8,243,365.10

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Solution

The fourth proportional to 10,370,878.70, 15,570,314.85 and 8,243,365.10 is: 12,376,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370,878.70 : 15,570,314.85 = 8,243,365.10 : x
  2. Step 2: Convert to fraction form
    10,370,878.70/15,570,314.85 = 8,243,365.10/x
  3. Step 3: Cross multiply
    10,370,878.70x = 15,570,314.85 × 8,243,365.10
  4. Step 4: Simplify right side
    10,370,878.70x = 128,351,790,030,501.72
  5. Step 5: Solve for x
    x = 128,351,790,030,501.72/10,370,878.70
  6. Step 6: Final answer
    x = 12,376,173.10

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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.