Home / 21,890,168.10-32,835,252.15-13,828,011.30

Finding the Fourth Proportional to 21,890,168.10, 32,835,252.15 and 13,828,011.30

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Solution

The fourth proportional to 21,890,168.10, 32,835,252.15 and 13,828,011.30 is: 20,742,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,890,168.10 : 32,835,252.15 = 13,828,011.30 : x
  2. Step 2: Convert to fraction form
    21,890,168.10/32,835,252.15 = 13,828,011.30/x
  3. Step 3: Cross multiply
    21,890,168.10x = 32,835,252.15 × 13,828,011.30
  4. Step 4: Simplify right side
    21,890,168.10x = 454,046,237,768,549.31
  5. Step 5: Solve for x
    x = 454,046,237,768,549.31/21,890,168.10
  6. Step 6: Final answer
    x = 20,742,016.95

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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.