Home / 7,378,139.64-10,181,580.21-4,070,564.58

Finding the Fourth Proportional to 7,378,139.64, 10,181,580.21 and 4,070,564.58

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Solution

The fourth proportional to 7,378,139.64, 10,181,580.21 and 4,070,564.58 is: 5,617,239.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378,139.64 : 10,181,580.21 = 4,070,564.58 : x
  2. Step 2: Convert to fraction form
    7,378,139.64/10,181,580.21 = 4,070,564.58/x
  3. Step 3: Cross multiply
    7,378,139.64x = 10,181,580.21 × 4,070,564.58
  4. Step 4: Simplify right side
    7,378,139.64x = 41,444,779,771,254.97
  5. Step 5: Solve for x
    x = 41,444,779,771,254.97/7,378,139.64
  6. Step 6: Final answer
    x = 5,617,239.82

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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.