Home / 19,557,015.60-29,323,859.40-11,989,412.40

Finding the Fourth Proportional to 19,557,015.60, 29,323,859.40 and 11,989,412.40

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Solution

The fourth proportional to 19,557,015.60, 29,323,859.40 and 11,989,412.40 is: 17,976,967.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557,015.60 : 29,323,859.40 = 11,989,412.40 : x
  2. Step 2: Convert to fraction form
    19,557,015.60/29,323,859.40 = 11,989,412.40/x
  3. Step 3: Cross multiply
    19,557,015.60x = 29,323,859.40 × 11,989,412.40
  4. Step 4: Simplify right side
    19,557,015.60x = 351,575,843,506,216.56
  5. Step 5: Solve for x
    x = 351,575,843,506,216.56/19,557,015.60
  6. Step 6: Final answer
    x = 17,976,967.99

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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.