Home / 10,134,897.66-13,985,985.90-5,488,644.96

Finding the Fourth Proportional to 10,134,897.66, 13,985,985.90 and 5,488,644.96

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Solution

The fourth proportional to 10,134,897.66, 13,985,985.90 and 5,488,644.96 is: 7,574,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134,897.66 : 13,985,985.90 = 5,488,644.96 : x
  2. Step 2: Convert to fraction form
    10,134,897.66/13,985,985.90 = 5,488,644.96/x
  3. Step 3: Cross multiply
    10,134,897.66x = 13,985,985.90 × 5,488,644.96
  4. Step 4: Simplify right side
    10,134,897.66x = 76,764,111,020,666.06
  5. Step 5: Solve for x
    x = 76,764,111,020,666.06/10,134,897.66
  6. Step 6: Final answer
    x = 7,574,236.43

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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.