Home / 15,457,702.84-21,330,796.57-8,581,742.03

Finding the Fourth Proportional to 15,457,702.84, 21,330,796.57 and 8,581,742.03

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Solution

The fourth proportional to 15,457,702.84, 21,330,796.57 and 8,581,742.03 is: 11,842,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457,702.84 : 21,330,796.57 = 8,581,742.03 : x
  2. Step 2: Convert to fraction form
    15,457,702.84/21,330,796.57 = 8,581,742.03/x
  3. Step 3: Cross multiply
    15,457,702.84x = 21,330,796.57 × 8,581,742.03
  4. Step 4: Simplify right side
    15,457,702.84x = 183,055,393,490,021.47
  5. Step 5: Solve for x
    x = 183,055,393,490,021.47/15,457,702.84
  6. Step 6: Final answer
    x = 11,842,341.35

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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.