Home / 19,872,639.93-29,808,957.47-6,409,467.93

Finding the Fourth Proportional to 19,872,639.93, 29,808,957.47 and 6,409,467.93

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Solution

The fourth proportional to 19,872,639.93, 29,808,957.47 and 6,409,467.93 is: 9,614,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,639.93 : 29,808,957.47 = 6,409,467.93 : x
  2. Step 2: Convert to fraction form
    19,872,639.93/29,808,957.47 = 6,409,467.93/x
  3. Step 3: Cross multiply
    19,872,639.93x = 29,808,957.47 × 6,409,467.93
  4. Step 4: Simplify right side
    19,872,639.93x = 191,059,556,898,651.59
  5. Step 5: Solve for x
    x = 191,059,556,898,651.59/19,872,639.93
  6. Step 6: Final answer
    x = 9,614,201.11

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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.