Home / 14,439,248.88-19,926,186.84-7,911,841.20

Finding the Fourth Proportional to 14,439,248.88, 19,926,186.84 and 7,911,841.20

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Solution

The fourth proportional to 14,439,248.88, 19,926,186.84 and 7,911,841.20 is: 10,918,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439,248.88 : 19,926,186.84 = 7,911,841.20 : x
  2. Step 2: Convert to fraction form
    14,439,248.88/19,926,186.84 = 7,911,841.20/x
  3. Step 3: Cross multiply
    14,439,248.88x = 19,926,186.84 × 7,911,841.20
  4. Step 4: Simplify right side
    14,439,248.88x = 157,652,825,999,609.81
  5. Step 5: Solve for x
    x = 157,652,825,999,609.81/14,439,248.88
  6. Step 6: Final answer
    x = 10,918,353.67

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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.