Home / 34,578,985.76-47,714,940.24-19,108,147.76

Finding the Fourth Proportional to 34,578,985.76, 47,714,940.24 and 19,108,147.76

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Solution

The fourth proportional to 34,578,985.76, 47,714,940.24 and 19,108,147.76 is: 26,367,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,578,985.76 : 47,714,940.24 = 19,108,147.76 : x
  2. Step 2: Convert to fraction form
    34,578,985.76/47,714,940.24 = 19,108,147.76/x
  3. Step 3: Cross multiply
    34,578,985.76x = 47,714,940.24 × 19,108,147.76
  4. Step 4: Simplify right side
    34,578,985.76x = 911,744,128,465,490
  5. Step 5: Solve for x
    x = 911,744,128,465,490/34,578,985.76
  6. Step 6: Final answer
    x = 26,367,000.32

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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.