Home / 14,334,069.80-21,487,107.90-12,822,415.40

Finding the Fourth Proportional to 14,334,069.80, 21,487,107.90 and 12,822,415.40

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Solution

The fourth proportional to 14,334,069.80, 21,487,107.90 and 12,822,415.40 is: 19,221,102.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,334,069.80 : 21,487,107.90 = 12,822,415.40 : x
  2. Step 2: Convert to fraction form
    14,334,069.80/21,487,107.90 = 12,822,415.40/x
  3. Step 3: Cross multiply
    14,334,069.80x = 21,487,107.90 × 12,822,415.40
  4. Step 4: Simplify right side
    14,334,069.80x = 275,516,623,238,421.66
  5. Step 5: Solve for x
    x = 275,516,623,238,421.66/14,334,069.80
  6. Step 6: Final answer
    x = 19,221,102.39

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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.