Home / 14,671,996.80-21,958,228.80-12,880,406.40

Finding the Fourth Proportional to 14,671,996.80, 21,958,228.80 and 12,880,406.40

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Solution

The fourth proportional to 14,671,996.80, 21,958,228.80 and 12,880,406.40 is: 19,276,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671,996.80 : 21,958,228.80 = 12,880,406.40 : x
  2. Step 2: Convert to fraction form
    14,671,996.80/21,958,228.80 = 12,880,406.40/x
  3. Step 3: Cross multiply
    14,671,996.80x = 21,958,228.80 × 12,880,406.40
  4. Step 4: Simplify right side
    14,671,996.80x = 282,830,910,768,184.31
  5. Step 5: Solve for x
    x = 282,830,910,768,184.31/14,671,996.80
  6. Step 6: Final answer
    x = 19,276,920.15

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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.