Home / 19,259,966.16-28,893,725.52-7,129,522.80

Finding the Fourth Proportional to 19,259,966.16, 28,893,725.52 and 7,129,522.80

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Solution

The fourth proportional to 19,259,966.16, 28,893,725.52 and 7,129,522.80 is: 10,695,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259,966.16 : 28,893,725.52 = 7,129,522.80 : x
  2. Step 2: Convert to fraction form
    19,259,966.16/28,893,725.52 = 7,129,522.80/x
  3. Step 3: Cross multiply
    19,259,966.16x = 28,893,725.52 × 7,129,522.80
  4. Step 4: Simplify right side
    19,259,966.16x = 205,998,474,871,781.84
  5. Step 5: Solve for x
    x = 205,998,474,871,781.84/19,259,966.16
  6. Step 6: Final answer
    x = 10,695,682.08

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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.