Home / 15,526,742.46-21,426,987.68-8,910,803.35

Finding the Fourth Proportional to 15,526,742.46, 21,426,987.68 and 8,910,803.35

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Solution

The fourth proportional to 15,526,742.46, 21,426,987.68 and 8,910,803.35 is: 12,296,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526,742.46 : 21,426,987.68 = 8,910,803.35 : x
  2. Step 2: Convert to fraction form
    15,526,742.46/21,426,987.68 = 8,910,803.35/x
  3. Step 3: Cross multiply
    15,526,742.46x = 21,426,987.68 × 8,910,803.35
  4. Step 4: Simplify right side
    15,526,742.46x = 190,931,673,599,352.72
  5. Step 5: Solve for x
    x = 190,931,673,599,352.72/15,526,742.46
  6. Step 6: Final answer
    x = 12,296,956.31

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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.