Home / 13,290,502.34-19,939,116.53-3,705,880.86

Finding the Fourth Proportional to 13,290,502.34, 19,939,116.53 and 3,705,880.86

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Solution

The fourth proportional to 13,290,502.34, 19,939,116.53 and 3,705,880.86 is: 5,559,759.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290,502.34 : 19,939,116.53 = 3,705,880.86 : x
  2. Step 2: Convert to fraction form
    13,290,502.34/19,939,116.53 = 3,705,880.86/x
  3. Step 3: Cross multiply
    13,290,502.34x = 19,939,116.53 × 3,705,880.86
  4. Step 4: Simplify right side
    13,290,502.34x = 73,891,990,323,101.31
  5. Step 5: Solve for x
    x = 73,891,990,323,101.31/13,290,502.34
  6. Step 6: Final answer
    x = 5,559,759.02

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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.