Home / 15,490,714.76-21,376,756.40-8,426,074.17

Finding the Fourth Proportional to 15,490,714.76, 21,376,756.40 and 8,426,074.17

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Solution

The fourth proportional to 15,490,714.76, 21,376,756.40 and 8,426,074.17 is: 11,627,748.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490,714.76 : 21,376,756.40 = 8,426,074.17 : x
  2. Step 2: Convert to fraction form
    15,490,714.76/21,376,756.40 = 8,426,074.17/x
  3. Step 3: Cross multiply
    15,490,714.76x = 21,376,756.40 × 8,426,074.17
  4. Step 4: Simplify right side
    15,490,714.76x = 180,122,134,898,291.81
  5. Step 5: Solve for x
    x = 180,122,134,898,291.81/15,490,714.76
  6. Step 6: Final answer
    x = 11,627,748.48

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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.