Home / 14,439,106.88-19,925,990.88-7,911,699.20

Finding the Fourth Proportional to 14,439,106.88, 19,925,990.88 and 7,911,699.20

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Solution

The fourth proportional to 14,439,106.88, 19,925,990.88 and 7,911,699.20 is: 10,918,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439,106.88 : 19,925,990.88 = 7,911,699.20 : x
  2. Step 2: Convert to fraction form
    14,439,106.88/19,925,990.88 = 7,911,699.20/x
  3. Step 3: Cross multiply
    14,439,106.88x = 19,925,990.88 × 7,911,699.20
  4. Step 4: Simplify right side
    14,439,106.88x = 157,648,446,104,503.28
  5. Step 5: Solve for x
    x = 157,648,446,104,503.28/14,439,106.88
  6. Step 6: Final answer
    x = 10,918,157.71

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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.