Home / 13,228,246.40-19,842,369.60-9,421,116.80

Finding the Fourth Proportional to 13,228,246.40, 19,842,369.60 and 9,421,116.80

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Solution

The fourth proportional to 13,228,246.40, 19,842,369.60 and 9,421,116.80 is: 14,131,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228,246.40 : 19,842,369.60 = 9,421,116.80 : x
  2. Step 2: Convert to fraction form
    13,228,246.40/19,842,369.60 = 9,421,116.80/x
  3. Step 3: Cross multiply
    13,228,246.40x = 19,842,369.60 × 9,421,116.80
  4. Step 4: Simplify right side
    13,228,246.40x = 186,937,281,590,369.31
  5. Step 5: Solve for x
    x = 186,937,281,590,369.31/13,228,246.40
  6. Step 6: Final answer
    x = 14,131,675.20

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Similar ratio
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1.5x scale

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.