Home / 8,470,139.40-11,687,843.52-4,798,269.36

Finding the Fourth Proportional to 8,470,139.40, 11,687,843.52 and 4,798,269.36

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Solution

The fourth proportional to 8,470,139.40, 11,687,843.52 and 4,798,269.36 is: 6,621,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470,139.40 : 11,687,843.52 = 4,798,269.36 : x
  2. Step 2: Convert to fraction form
    8,470,139.40/11,687,843.52 = 4,798,269.36/x
  3. Step 3: Cross multiply
    8,470,139.40x = 11,687,843.52 × 4,798,269.36
  4. Step 4: Simplify right side
    8,470,139.40x = 56,081,421,446,490.55
  5. Step 5: Solve for x
    x = 56,081,421,446,490.55/8,470,139.40
  6. Step 6: Final answer
    x = 6,621,074.20

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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.