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Finding the Fourth Proportional to 14,953,687.80, 22,430,531.70 and 4,857,329.40

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Solution

The fourth proportional to 14,953,687.80, 22,430,531.70 and 4,857,329.40 is: 7,285,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953,687.80 : 22,430,531.70 = 4,857,329.40 : x
  2. Step 2: Convert to fraction form
    14,953,687.80/22,430,531.70 = 4,857,329.40/x
  3. Step 3: Cross multiply
    14,953,687.80x = 22,430,531.70 × 4,857,329.40
  4. Step 4: Simplify right side
    14,953,687.80x = 108,952,481,084,041.98
  5. Step 5: Solve for x
    x = 108,952,481,084,041.98/14,953,687.80
  6. Step 6: Final answer
    x = 7,285,994.10

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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.