Home / 13,778,099.60-19,013,779.16-7,498,650.58

Finding the Fourth Proportional to 13,778,099.60, 19,013,779.16 and 7,498,650.58

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Solution

The fourth proportional to 13,778,099.60, 19,013,779.16 and 7,498,650.58 is: 10,348,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,778,099.60 : 19,013,779.16 = 7,498,650.58 : x
  2. Step 2: Convert to fraction form
    13,778,099.60/19,013,779.16 = 7,498,650.58/x
  3. Step 3: Cross multiply
    13,778,099.60x = 19,013,779.16 × 7,498,650.58
  4. Step 4: Simplify right side
    13,778,099.60x = 142,577,686,218,350.56
  5. Step 5: Solve for x
    x = 142,577,686,218,350.56/13,778,099.60
  6. Step 6: Final answer
    x = 10,348,138.74

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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.