Home / 15,423,666.26-21,283,840.14-8,896,907.42

Finding the Fourth Proportional to 15,423,666.26, 21,283,840.14 and 8,896,907.42

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Solution

The fourth proportional to 15,423,666.26, 21,283,840.14 and 8,896,907.42 is: 12,277,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423,666.26 : 21,283,840.14 = 8,896,907.42 : x
  2. Step 2: Convert to fraction form
    15,423,666.26/21,283,840.14 = 8,896,907.42/x
  3. Step 3: Cross multiply
    15,423,666.26x = 21,283,840.14 × 8,896,907.42
  4. Step 4: Simplify right side
    15,423,666.26x = 189,360,355,267,659.84
  5. Step 5: Solve for x
    x = 189,360,355,267,659.84/15,423,666.26
  6. Step 6: Final answer
    x = 12,277,259.64

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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.