Home / 10,134,897.12-13,985,985.24-5,488,644.45

Finding the Fourth Proportional to 10,134,897.12, 13,985,985.24 and 5,488,644.45

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Solution

The fourth proportional to 10,134,897.12, 13,985,985.24 and 5,488,644.45 is: 7,574,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134,897.12 : 13,985,985.24 = 5,488,644.45 : x
  2. Step 2: Convert to fraction form
    10,134,897.12/13,985,985.24 = 5,488,644.45/x
  3. Step 3: Cross multiply
    10,134,897.12x = 13,985,985.24 × 5,488,644.45
  4. Step 4: Simplify right side
    10,134,897.12x = 76,764,100,265,307.92
  5. Step 5: Solve for x
    x = 76,764,100,265,307.92/10,134,897.12
  6. Step 6: Final answer
    x = 7,574,235.77

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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.