Home / 15,919,508.17-23,876,929.45-7,830,312.49

Finding the Fourth Proportional to 15,919,508.17, 23,876,929.45 and 7,830,312.49

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Solution

The fourth proportional to 15,919,508.17, 23,876,929.45 and 7,830,312.49 is: 11,744,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919,508.17 : 23,876,929.45 = 7,830,312.49 : x
  2. Step 2: Convert to fraction form
    15,919,508.17/23,876,929.45 = 7,830,312.49/x
  3. Step 3: Cross multiply
    15,919,508.17x = 23,876,929.45 × 7,830,312.49
  4. Step 4: Simplify right side
    15,919,508.17x = 186,963,818,895,183.84
  5. Step 5: Solve for x
    x = 186,963,818,895,183.84/15,919,508.17
  6. Step 6: Final answer
    x = 11,744,321.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.