Home / 10,048,929.19-13,867,529.12-5,638,045.92

Finding the Fourth Proportional to 10,048,929.19, 13,867,529.12 and 5,638,045.92

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Solution

The fourth proportional to 10,048,929.19, 13,867,529.12 and 5,638,045.92 is: 7,780,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,048,929.19 : 13,867,529.12 = 5,638,045.92 : x
  2. Step 2: Convert to fraction form
    10,048,929.19/13,867,529.12 = 5,638,045.92/x
  3. Step 3: Cross multiply
    10,048,929.19x = 13,867,529.12 × 5,638,045.92
  4. Step 4: Simplify right side
    10,048,929.19x = 78,185,765,968,449.64
  5. Step 5: Solve for x
    x = 78,185,765,968,449.64/10,048,929.19
  6. Step 6: Final answer
    x = 7,780,507.20

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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.