Home / 31,547,907.53-47,324,254.91-8,518,506.90

Finding the Fourth Proportional to 31,547,907.53, 47,324,254.91 and 8,518,506.90

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Solution

The fourth proportional to 31,547,907.53, 47,324,254.91 and 8,518,506.90 is: 12,778,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547,907.53 : 47,324,254.91 = 8,518,506.90 : x
  2. Step 2: Convert to fraction form
    31,547,907.53/47,324,254.91 = 8,518,506.90/x
  3. Step 3: Cross multiply
    31,547,907.53x = 47,324,254.91 × 8,518,506.90
  4. Step 4: Simplify right side
    31,547,907.53x = 403,131,991,905,555.88
  5. Step 5: Solve for x
    x = 403,131,991,905,555.88/31,547,907.53
  6. Step 6: Final answer
    x = 12,778,406.67

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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.