Home / 7,020,405.12-9,687,973.23-3,922,953.93

Finding the Fourth Proportional to 7,020,405.12, 9,687,973.23 and 3,922,953.93

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Solution

The fourth proportional to 7,020,405.12, 9,687,973.23 and 3,922,953.93 is: 5,413,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,405.12 : 9,687,973.23 = 3,922,953.93 : x
  2. Step 2: Convert to fraction form
    7,020,405.12/9,687,973.23 = 3,922,953.93/x
  3. Step 3: Cross multiply
    7,020,405.12x = 9,687,973.23 × 3,922,953.93
  4. Step 4: Simplify right side
    7,020,405.12x = 38,005,472,641,652.22
  5. Step 5: Solve for x
    x = 38,005,472,641,652.22/7,020,405.12
  6. Step 6: Final answer
    x = 5,413,572.58

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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.