Home / 15,703,154.98-21,664,409.58-9,739,803.40

Finding the Fourth Proportional to 15,703,154.98, 21,664,409.58 and 9,739,803.40

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Solution

The fourth proportional to 15,703,154.98, 21,664,409.58 and 9,739,803.40 is: 13,437,241.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,703,154.98 : 21,664,409.58 = 9,739,803.40 : x
  2. Step 2: Convert to fraction form
    15,703,154.98/21,664,409.58 = 9,739,803.40/x
  3. Step 3: Cross multiply
    15,703,154.98x = 21,664,409.58 × 9,739,803.40
  4. Step 4: Simplify right side
    15,703,154.98x = 211,007,090,032,115.56
  5. Step 5: Solve for x
    x = 211,007,090,032,115.56/15,703,154.98
  6. Step 6: Final answer
    x = 13,437,241.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.