Home / 13,630,752.09-18,810,499.49-7,435,779.55

Finding the Fourth Proportional to 13,630,752.09, 18,810,499.49 and 7,435,779.55

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Solution

The fourth proportional to 13,630,752.09, 18,810,499.49 and 7,435,779.55 is: 10,261,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630,752.09 : 18,810,499.49 = 7,435,779.55 : x
  2. Step 2: Convert to fraction form
    13,630,752.09/18,810,499.49 = 7,435,779.55/x
  3. Step 3: Cross multiply
    13,630,752.09x = 18,810,499.49 × 7,435,779.55
  4. Step 4: Simplify right side
    13,630,752.09x = 139,870,727,376,706.45
  5. Step 5: Solve for x
    x = 139,870,727,376,706.45/13,630,752.09
  6. Step 6: Final answer
    x = 10,261,409.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.