Home / 19,499,894.88-26,918,545.64-12,888,465.41

Finding the Fourth Proportional to 19,499,894.88, 26,918,545.64 and 12,888,465.41

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Solution

The fourth proportional to 19,499,894.88, 26,918,545.64 and 12,888,465.41 is: 17,791,826.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,499,894.88 : 26,918,545.64 = 12,888,465.41 : x
  2. Step 2: Convert to fraction form
    19,499,894.88/26,918,545.64 = 12,888,465.41/x
  3. Step 3: Cross multiply
    19,499,894.88x = 26,918,545.64 × 12,888,465.41
  4. Step 4: Simplify right side
    19,499,894.88x = 346,938,744,169,611.25
  5. Step 5: Solve for x
    x = 346,938,744,169,611.25/19,499,894.88
  6. Step 6: Final answer
    x = 17,791,826.38

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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.