Home / 19,828,276.35-27,364,017.33-12,390,431.51

Finding the Fourth Proportional to 19,828,276.35, 27,364,017.33 and 12,390,431.51

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Solution

The fourth proportional to 19,828,276.35, 27,364,017.33 and 12,390,431.51 is: 17,099,417.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828,276.35 : 27,364,017.33 = 12,390,431.51 : x
  2. Step 2: Convert to fraction form
    19,828,276.35/27,364,017.33 = 12,390,431.51/x
  3. Step 3: Cross multiply
    19,828,276.35x = 27,364,017.33 × 12,390,431.51
  4. Step 4: Simplify right side
    19,828,276.35x = 339,051,982,466,431.94
  5. Step 5: Solve for x
    x = 339,051,982,466,431.94/19,828,276.35
  6. Step 6: Final answer
    x = 17,099,417.84

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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.