Home / 14,304,056.80-21,456,085.20-13,640,504.80

Finding the Fourth Proportional to 14,304,056.80, 21,456,085.20 and 13,640,504.80

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Solution

The fourth proportional to 14,304,056.80, 21,456,085.20 and 13,640,504.80 is: 20,460,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304,056.80 : 21,456,085.20 = 13,640,504.80 : x
  2. Step 2: Convert to fraction form
    14,304,056.80/21,456,085.20 = 13,640,504.80/x
  3. Step 3: Cross multiply
    14,304,056.80x = 21,456,085.20 × 13,640,504.80
  4. Step 4: Simplify right side
    14,304,056.80x = 292,671,833,159,808.94
  5. Step 5: Solve for x
    x = 292,671,833,159,808.94/14,304,056.80
  6. Step 6: Final answer
    x = 20,460,757.20

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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.