Home / 7,390,012.80-11,088,705.60-4,197,590.40

Finding the Fourth Proportional to 7,390,012.80, 11,088,705.60 and 4,197,590.40

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Solution

The fourth proportional to 7,390,012.80, 11,088,705.60 and 4,197,590.40 is: 6,298,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390,012.80 : 11,088,705.60 = 4,197,590.40 : x
  2. Step 2: Convert to fraction form
    7,390,012.80/11,088,705.60 = 4,197,590.40/x
  3. Step 3: Cross multiply
    7,390,012.80x = 11,088,705.60 × 4,197,590.40
  4. Step 4: Simplify right side
    7,390,012.80x = 46,545,844,174,986.24
  5. Step 5: Solve for x
    x = 46,545,844,174,986.24/7,390,012.80
  6. Step 6: Final answer
    x = 6,298,479.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.