Home / 19,017,987.13-26,215,701.51-11,662,180.30

Finding the Fourth Proportional to 19,017,987.13, 26,215,701.51 and 11,662,180.30

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Solution

The fourth proportional to 19,017,987.13, 26,215,701.51 and 11,662,180.30 is: 16,075,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017,987.13 : 26,215,701.51 = 11,662,180.30 : x
  2. Step 2: Convert to fraction form
    19,017,987.13/26,215,701.51 = 11,662,180.30/x
  3. Step 3: Cross multiply
    19,017,987.13x = 26,215,701.51 × 11,662,180.30
  4. Step 4: Simplify right side
    19,017,987.13x = 305,732,237,700,602.31
  5. Step 5: Solve for x
    x = 305,732,237,700,602.31/19,017,987.13
  6. Step 6: Final answer
    x = 16,075,951.45

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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.