Home / 15,853,069.59-21,877,774.58-15,126,656.18

Finding the Fourth Proportional to 15,853,069.59, 21,877,774.58 and 15,126,656.18

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Solution

The fourth proportional to 15,853,069.59, 21,877,774.58 and 15,126,656.18 is: 20,875,299.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853,069.59 : 21,877,774.58 = 15,126,656.18 : x
  2. Step 2: Convert to fraction form
    15,853,069.59/21,877,774.58 = 15,126,656.18/x
  3. Step 3: Cross multiply
    15,853,069.59x = 21,877,774.58 × 15,126,656.18
  4. Step 4: Simplify right side
    15,853,069.59x = 330,937,573,983,631.69
  5. Step 5: Solve for x
    x = 330,937,573,983,631.69/15,853,069.59
  6. Step 6: Final answer
    x = 20,875,299.39

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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.