Home / 9,139,852.20-12,612,725.42-5,009,795.04

Finding the Fourth Proportional to 9,139,852.20, 12,612,725.42 and 5,009,795.04

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Solution

The fourth proportional to 9,139,852.20, 12,612,725.42 and 5,009,795.04 is: 6,913,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139,852.20 : 12,612,725.42 = 5,009,795.04 : x
  2. Step 2: Convert to fraction form
    9,139,852.20/12,612,725.42 = 5,009,795.04/x
  3. Step 3: Cross multiply
    9,139,852.20x = 12,612,725.42 × 5,009,795.04
  4. Step 4: Simplify right side
    9,139,852.20x = 63,187,169,249,997.91
  5. Step 5: Solve for x
    x = 63,187,169,249,997.91/9,139,852.20
  6. Step 6: Final answer
    x = 6,913,368.82

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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.